GTA
Airguns by Make and Model => Crosman Airguns => Topic started by: anti-squirrel on February 02, 2017, 09:16:30 PM
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Today I decided to really see what type of pellet my 760 prefers. This is a fairly new plastic-fantastic 760, one of those $19.99-on-Amazon deals, came with 4 clip magazines and a steel tube with what I assume are lenses. Believe it or not, the dinky scope works well on my Savage mk2, but that's not what I'm talking about.
My 760 is perhaps the least accurate pumper I've ever used. I pulled the sights off, attached a spare CP 4x scope, and proceeded to lead the clips. RWS wadcutters appear to be the pellet, achieving a 2 inch group at 10 yards. Every pellet brand had fliers, from H&N Excite, Sniper, Crow Magnums, and Barracudas to JSB Exact and Beeman Silver Arrows. In fact, I had groups of fliers in patterns somewhat resembling a dog barfing pellets at short range. Think 3 to 4 inch groups with lots of fliers. Or maybe I should say 3 or 4 inch groups with some clustering more tightly.
I know these guns can shoot far better. The big question- is it worth it? In less simple words... it's a $20 airgun that shoots like garbage.
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I have one of these too.Pretty much same kinda groups.The gun is $70. here.I shortened my distance to 20' and can hit a pop can every time.lol.It is a fun gun for my grandkids to shoot in the back yard but thats about it.Wish I wouldn't have destroyed the one I had when I was a kid.That one seemed very good but that was 1975.
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Lol I can't speak for the new one piece body versions, but mine shot the same way. It was so bad, it was given to me for free. I ended up changing out the smooth bore to a rifled barrel. It shoots really well now. I actually like the pellet clips, hence keeping the plastic reciever version. I own two 760s but I'm actually slightly thinking of getting another metal reciever plastic bolt version to go full mod on.
Now is it worth the $20? For the fun factor, I think it is. I'm sure the smooth bore is good enough for shooting BBs and darts. Also, the sense of accomplishment you get when you mod one to shoot very well is fun too.
One thing about modding the 760 to a "pellet only" gun, I started to miss shooting BBs. Thinking of getting one of them semiautomatic BB shooting UZI looking things.
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All in all, I can't really complain too loud about the accuracy I guess. The fact it can put some pellets in groups at all at 10 yards is an accomplishment. I just remember my all-metal 760 when I was a kid seemed like an accurate little pumper- using just BBs. My current one has only seen pellets down the bore, and the real question is if I should spend the money on a barrel. A part of me wants to just to see what this little gun can manage. I have a Daisy 25 that is my BB-plinker, so I'm not sweating that. I just want to eke out better performance out of this 760- and a rifled barrel should get me there.
But if I recall, I need to order from the CCS to be able to order a rifled barrel separately from Crosman.
the other thing- the cheapie scope it came with works really well on my Savage, so for $20, it's still a win.
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Which rifled barrel fits the Crosman 760 ? - Tom
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LOL.... Betty Lou and I were walking thru Walmart one day and I spotted a whole pallet of them in the feature aisle. I can't remember ( there is a post here somewhere ) I think I paid like $24? each for them? Anyhow, Brought them home and opened the boxes. Scoped em up, if that's what you call that thing that came with them. I think we shot 1 clip each? Boxed them up and they went back where they came from. Come on Crosman... please stop screwing up all my childhood memories. Just bring one back with the qualities of yesterday. Ya'll messed up Sheridan, then ya wacked Benjamin and now your killing your own stuff. Not everyone wants a CCS or a Disco. Some of us want a quality wood and metal pumper... don't you dare suggest the new 397/392. I mean... you did come close.... until you got to the trigger. And to beat all, you took a Chinese knock off of a Daisy Red Ryder and called it a Sheridan. Ok, I'm done.
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LOL.... Betty Lou and I were walking thru Walmart one day and I spotted a whole pallet of them in the feature aisle. I can't remember ( there is a post here somewhere ) I think I paid like $24? each for them? Anyhow, Brought them home and opened the boxes. Scoped em up, if that's what you call that thing that came with them. I think we shot 1 clip each? Boxed them up and they went back where they came from. Come on Crosman... please stop screwing up all my childhood memories. Just bring one back with the qualities of yesterday. Ya'll messed up Sheridan, then ya wacked Benjamin and now your killing your own stuff. Not everyone wants a CCS or a Disco. Some of us want a quality wood and metal pumper... don't you dare suggest the new 397/392. I mean... you did come close.... until you got to the trigger. And to beat all, you took a Chinese knock off of a Daisy Red Ryder and called it a Sheridan. Ok, I'm done.
Good Point !
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Which rifled barrel fits the Crosman 760 ? - Tom
If I recall correctly, the Crosman M4-177 barrel is a direct drop in. You might want to do a search for more research information. I made mine when there wasn't a "drop in" from a 1377 barrel.
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Which rifled barrel fits the Crosman 760 ? - Tom
If I recall correctly, the Crosman M4-177 barrel is a direct drop in. You might want to do a search for more research information. I made mine when there wasn't a "drop in" from a 1377 barrel.
Thank-you ! Tom
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Yep, the M-4 .177 barrel is a drop-in and you also want the mount.
Parts #s are MK177-010 and 760E-12 ... dunno prices yet, be calling shortly. If it's cheap, I'll be buying some extras.
edited as Crosman has a new part number/// Barrel costs $9.97 and support bracket is still $1.00. I ordered 2 of each, delivered for under $26
Me be happy!
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Mine is also that bad. At 13' I hit a giant rat in the backyard. It was so far off my POA that I researched that it doesn't have a rifled barrel. My 760 being so bad is what got me into "adult" air rifles. I would like to rebarrel it one day for the kids.
BTW, believe BenjiHunter, the rats really do get that big around here.
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Which rifled barrel fits the Crosman 760 ? - Tom
If I recall correctly, the Crosman M4-177 barrel is a direct drop in. You might want to do a search for more research information. I made mine when there wasn't a "drop in" from a 1377 barrel.
Thank-you ! Tom
Thank you, thank you.
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I put the m4 barrel on my 760,1 in groups at 10 yards .ive only tried cphps.
My local rats hate my 760 on 3-5 pumps
I also pulled the magnetic probe out the bolt and installed a longer aluminium one. This seats the pellet just past the air port.
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Which rifled barrel fits the Crosman 760 ? - Tom
If I recall correctly, the Crosman M4-177 barrel is a direct drop in. You might want to do a search for more research information. I made mine when there wasn't a "drop in" from a 1377 barrel.
Thank-you ! Tom
Thank you, thank you.
You're welcome and Thank You anti-squirrel for the part numbers.
My rats get about the size of a small cat they were eating fruites. Best shot was a scoped ear shot wit no visible external damage. Wild rats just trigger something in me that makes me want to shoot them or stomp if not shoot. Lol
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Funny that you guys are talking about rats, here in Arizona we have these huge packrats, and they become a real problem in the winter. About two weeks ago I got a call early in the morning from a coworker who was coming off the night shift, who needed help getting his car running. He'd left a message on my cell phone; something about a huge rat, a serpentine belt, and he needed help getting it back on. The message didn't make any sense until I got to work and saw what had happened. When he got in his car at 0600 (still dark and very cold) to start it, he heard a "bump" sound when he turned the key and most of the "idiot lights" on his dash illuminated. When he opened his hood to see what had happened, there was blood all over his engine, the serpentine belt was off, and there was an enormous dead packrat lying under his engine whose head had been "degloved". (A medical term, use your imagination.) The odds must have been astronomical for that rat to be perfectly positioned on one of the pulleys such that his head got drawn in between the pulley and the belt just as he turned the key. Anyway, there was no damage done, his car had a tensioning pulley for the serpentine belt that had to be pried against from the top while the belt was repositioned from underneath. (Basically a two-man job.) He was on the road 5 minutes after I got there.
These rats normally build large nests under your hood. If food is scarce, they'll also eat the electrical wiring under your hood. Several years ago I had a neighbor who ended up with a $3500 repair bill after a packrat chewed through the wiring harness between his car's engine and computer.
I'm currently modifying one of my 1377s specifically for packrat duty. I have some infrared laser diodes, and my plan is to replace the visible laser in a laser sight with an IR laser diode for use with night vision goggles. (The packrats around here are only active at night.)
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Rick, when I was on the Western Slope last year for work (western Colorado, Rifle/Parachute area), the mechanics told me about all the pack-rats. All of them kept airguns in their cars and trucks just for that with zillion-watt LED flashlights.
Now as far as the WHY that packrats (abd rabbits, mice, and regular rats) eat wiring harnesses? The insulation is made from soybean waste products. To rabbits and fieldmice especially, it's like candy. I've had customers all over the country from the CA Central Valley on east to Ohio talk about this. And it gets really expensive when they get in SWAT mobile command posts and ambulances/fire trucks.
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Peter,
I didn't know that about the insulation, I always wondered what the attraction was to what I'd always thought was just some type of plastic. The insulation being derived from a foodstuff, it now makes sense.
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I managed to get better accuracy from my 760 by using H&N lead balls. they were slightly larger than .177, just enough so that they didn't roll out of the barrel when you closed the bolt. It wasn't great accuracy but better than using pellets or regular BBs.
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On a little base outside of Mosul, the rats figured out what the pallets with cases of water bottles were. Go up to a pallet, and every bottle was empty, still capped, still wrapped.
Same base, in our "break room" (shipping container), rats lived under the floor of the can. They were getting out of hand, so we cleaned our snacks to starve them out. I was resting on our makeshift couch when I heard underneath me, CRUNCH, "Eeeeeeee." They were eating each other. I never liked rats, but after that deployment I positively HATE and am freaked out by them.
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Though it's been mentioned elsewhere in the GTA, there's a documentary on Netflix called Rats. Anybody interested in learning more, watch it. Sobering stuff!
Now, I may be anti-squirrel, but winged rats are my real nemesis. The short period of time (a little under a year) I was doing pest control, I was the avian abatement specialist. I've killed an silly amount of pigeon, and believe me, they carry a lot of diseases. I spent over a month on potent antibiotics recovering in spite of wearing a lot of protective gear, and developed a real dislike for "collared doves".
Anyway, back to the good stuff- once I get the barrels from Crosman, I'll do a proper sighting in and test. Who knows, maybe I can get some really good accuracy :D Gonna have to look at what other cheapie mods I can work out on a 760. It has 1 feature I absolutely love: the 5-shot clip. I also like that it has dovetails- works just peachy with my Center Point 4x, though I may swap out to my other Optima 3x9 if it groups really good. Hopefully it has the accuracy of my 1377.
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Sam,
I retired from the Army in 2000, so my military career ended before 9/11 and the Southwest Asia War Games. Prior to that, we used to go to the National Training Center in Ft. Irwin two or three times a year for training. The rats there were experts at getting into our bags and eating our "pogie bait". It got so bad, that at one point I made homemade blowguns that were accurate enough to nail a soda can all the way across a GP Medium tent. I never ended up getting a rat with it though. The rats and the coyotes there were brazen and unafraid, they'd try to get your pogie bait right in front of you.
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On a little base outside of Mosul, the rats figured out what the pallets with cases of water bottles were. Go up to a pallet, and every bottle was empty, still capped, still wrapped.
Same base, in our "break room" (shipping container), rats lived under the floor of the can. They were getting out of hand, so we cleaned our snacks to starve them out. I was resting on our makeshift couch when I heard underneath me, CRUNCH, "Eeeeeeee." They were eating each other. I never liked rats, but after that deployment I positively HATE and am freaked out by them.
I didn't want to say it, but I am also freaked out by rats. Another animal can be more dangerous but if I understand them, I give them their respect. I just don't understand rat thinking. I had frightened one that was climbing on a wall and instead of running away, the thing jumped towards me. I socked that thing mid air, grabbed a nearby broom and went on a rampge trying to kill it. Lol I'm glad nobody got that on film.
Anyway, for those who don't know, some of the 13xx mods DO apply to the 760. Valve mod, flat top, springs, and other little stuff.
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Mother wouldn't let me have a BB gun when I was a kid. All the cool kids had a 760, and I was just going to have to get by on shooting the Daisy 105 with my father. When I became an adult, I went to buy a 760 and found out in NJ they are firearms lol. So, I did what any smart 18 year old would do and bought a Marlin 39M since I had to get fingerprinted etc anyway.
Decades later I move to NC and I see it at walmart...the 760!! Right there on the shelf! Minutes later I am waiting in line with milk, eggs, 760 all on the belt while the cashier calls me "honey" and rings everything up. Just like that! I actually executed evasive maneuvers on the way home to make sure the ATF and my mother weren't following me.
That piece of junk didn't last a few weeks before the plastic stock broke. I don't remember what part of it broke, but I do remember that the plastic on the old Revel model airplane kits was more substantial. I could also see the BB's and pellets arching in all directions as they flew through the air too. The dreams of my youth were crushed.
As for cheap BB plinking, get a Daisy Buck or Red Ryder. Hang a soda can by the pull tab at 10 yards and you'll hit it most of the time and with only ONE PUMP, you will fire a million rounds in a matter of minutes.
If you want a cheap rat killer, I got a Crosman Blaze XT nitro on sale at Dicks for 79.99 and it will shoot into 1.5 inches at 25 yards all day long off of a rest and it has penty of power for any rat, assuming it's not really a kangaroo...
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Great post David.
Thanks
Get you a vintage Sheridan and never look back.
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For a kick, it might be possible to use the 2100 tube, valve, piston and pump linkage on a 760... I believe I have the parts to put that monstrosity together right now... maybe I'll try that tonight... I think I might be short a valve but we shall see...
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For a kick, it might be possible to use the 2100 tube, valve, piston and pump linkage on a 760... I believe I have the parts to put that monstrosity together right now... maybe I'll try that tonight... I think I might be short a valve but we shall see...
Start a thread if you do, I got a pile around here I might make a terd out of myself. I'd be interested in what you do.
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good luck with the 760. its a bummer that the new ones are so junky.
for Christmas, 1986, my uncle got me a 1377 and my dad a 760. For a couple years I shot that 760 way more than 1377 as it was easier for me to pump and shoot accurately (because of the stock). I remember it being pretty accurate and I killed a ton of pests with it. I got it out just a couple years ago when I was at my parents house and it still worked great and I shot it some, and yup, still surprisingly accurate. I never even realized it was a smoothbore until recently.
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I won't deny these modern el-plastico 760s are flat out crummy. But if I can make one into a shooter like my 1377 for the cost of the gun ($19.98 in my case) and add $11 worth of barrel and support, it means I have a carbine size pumper that can take a scope and use the 5-shot clips. Add my Rocker1 LDC (which looks pretty slick on it) and yeah, it is a fun little featherweight gun. With plenty of power to zap sparrows.
If the 1377 could use those clips and had a dovetailed rail, Crosman would sell 'em by the ton. I know I'd buy them. But I want rifle ergonomics, and though I enjoy the 2100, that thing is a pain to load for fat arthritic fingers... and you're stuck with single-shot.
The other thing... a 10$ rifled barrel on a pumper you can buy just about anywhere for next to nothing, and like many, I enjoy tinkering.
When I'm done, I hope it isn't laughably bad, I hope it's laughably cheap and delivers the accuracy :D!
And I gotta hand it Crosman; the interchangeability of parts has given us all a lot of stuff to play with, up to and including the impending release of the Wildfire.
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I bought 3 760's with the gold metal trigger 19 years ago for something that me and my 2 boy's could play with. They still shoot accurate enough to hit bottle caps every time at 10 yards with open sights.
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Crosman:
Their New Pumper, 1000 or whatever they call it
"the 2100, that thing is a pain to load"
Just like that or I would have one
I Have a Model One, that thing is a pain to load
And is why it still isn't put back together.
But,
That gun is why I got some .22 round balls
And I love the way they shoot thru a couple of other guns I got
The distance they let you reach is WOW!
I mean, at 50 yards my FDPCP was dropping pellets short
then I put in a round ball, Shooting a 2012 Dex S.E. Idaho phone book.
First shot hit it, Next shot tipped it over,
I go to stand it back up and,
Right next to the binding edge,
ALL The Way Thru it.!!
I am still blown away by that . AIRPOWER!
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Well worth the investment in my opinion. Any working rifle you can pay off by bringing a sack lunch to work for a week is a good investment. All the better if it can be made a good shooter with some cheap parts and elbow grease.
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When my brother got his in 2012 it wasn't accurate either, but when he gave it to me I put an old coleman stock set and the barrel of my m417 that broke and that fixed all of its accuracy issues.
I have since sawn off the barrel just to have something different and its still just as accurate.
My early self cocker 760 is more accurate than the new ones are out of the box, but not a tack driver by any rams.
BTW I think the reason people get broken stocks is from holding it while pumping, I always hold by the receiver and have zero issues.
I would never buy a current so called 760 even at 20$, I'd still save up to 50$ and get a 2100 which is probably the best pump rifle crosman currently makes.
For bb plinking the Daisy red Ryder is a better option for 25$.
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The 760 I bought last year at Walmart must be an exceptionally good one. I've had zero problems with it so far, and it's not hard to get 1/2", sometimes smaller groups at 11 yards off a rest. It will only do it (of the 20 or so I've tried at least) with Crosman Premier Match wadcutters, but it will do it. Nailed two rats with it one night a while ago.
Those of you that like multi-pumpers, don't forget the Model 66. It comes with a rifled barrel, and mine shoots well. It, too, takes the 5 round Crosman magazine. That thing takes the problems out of loading, even in the dark.
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The 760 I bought last year at Walmart must be an exceptionally good one. I've had zero problems with it so far, and it's not hard to get 1/2", sometimes smaller groups at 11 yards off a rest. It will only do it (of the 20 or so I've tried at least) with Crosman Premier Match wadcutters, but it will do it. Nailed two rats with it one night a while ago.
Those of you that like multi-pumpers, don't forget the Model 66. It comes with a rifled barrel, and mine shoots well. It, too, takes the 5 round Crosman magazine. That thing takes the problems out of loading, even in the dark.
a 66 powermaster was my first airgun, and I recall it being a tack driver. I sure wish crosman would start making them again.
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I would never buy a current so called 760 even at 20$, I'd still save up to 50$ and get a 2100 which is probably the best pump rifle crosman currently makes.
For bb plinking the Daisy red Ryder is a better option for 25$.
If you like the Red Ryder, check out the Daisy 25. Mine is surprisingly accurate, and I got it for "free" (Amazon gift card)- it's my dedicated plinker. And while I think the 2100 is a fine gun (especially since you can mount a scope easily), the 39x is that much better still, and the 2100 is very hard to me to load pellets into- that's why I bought a 1377 a while back, but it's now in NC at my sister's.
In the end, I'm sticking a rifled barrel on my 760 because the barrel and gun were cheap, it takes 5-shot clips, and can mount a scope. Since some of the piston mods for a 13xx work on the 760, I want to see how good I can make a 760 for minimal cost and some labor. If I can get it to shoot as accurate as my 1377, I'll be happy.
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I would never buy a current so called 760 even at 20$, I'd still save up to 50$ and get a 2100 which is probably the best pump rifle crosman currently makes.
For bb plinking the Daisy red Ryder is a better option for 25$.
If you like the Red Ryder, check out the Daisy 25. Mine is surprisingly accurate, and I got it for "free" (Amazon gift card)- it's my dedicated plinker. And while I think the 2100 is a fine gun (especially since you can mount a scope easily), the 39x is that much better still, and the 2100 is very hard to me to load pellets into- that's why I bought a 1377 a while back, but it's now in NC at my sister's.
In the end, I'm sticking a rifled barrel on my 760 because the barrel and gun were cheap, it takes 5-shot clips, and can mount a scope. Since some of the piston mods for a 13xx work on the 760, I want to see how good I can make a 760 for minimal cost and some labor. If I can get it to shoot as accurate as my 1377, I'll be happy.
I think modding a 760 just because you want to is justifiable. In fairness to the 760, my fragile stocked one was from a dozen years or so ago and maybe they upped the quality a bit in that regard.
I also think that out of the box, for $25.00 or so, it kind of doesn't fill any role well. A 105 for $18.00 at Academy is a better "BB gun" since you don't have to pump it to hear it plink off of a can. A Crosman Nitro makes a better hunter for only $80.00 etc. I think what Crosman should do is make a $50.00 760 the way it ought to be, rifled barrel, wood stock and maybe a few other upgrades, but then maybe that is what their other pumpers are for?
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I agree with what a 760 "should be," except I like synthetic stocks.
I like Anti-Squirrels ideas. A snubbed, rifled 760 would make a neat kids gun.
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Here is what I did to one of my 19 year old models.
(http://i1036.photobucket.com/albums/a446/Grimeszee/Air%20Guns/20151021_231039-1_resized_zpsknptupbk.jpg) (http://s1036.photobucket.com/user/Grimeszee/media/Air%20Guns/20151021_231039-1_resized_zpsknptupbk.jpg.html)
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I chopped one like that before. I gave it away with a 392 I sold. I got a couple more around here somewhere that are still stock. Fun to tinker around with. Hmm.. I even got a couple red dots and other gadgets....... I see a frankenpump in the near future.
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Here is what I did to one of my 19 year old models.
(http://i1036.photobucket.com/albums/a446/Grimeszee/Air%20Guns/20151021_231039-1_resized_zpsknptupbk.jpg) (http://s1036.photobucket.com/user/Grimeszee/media/Air%20Guns/20151021_231039-1_resized_zpsknptupbk.jpg.html)
Like that. And chop 3" off the stock with a red dot.
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Yep, I think I got one with the 5 shot clip. If not mistaken I have 4 or 5 clips somewhere too.
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Here is what I did to one of my 19 year old models.
(http://i1036.photobucket.com/albums/a446/Grimeszee/Air%20Guns/20151021_231039-1_resized_zpsknptupbk.jpg) (http://s1036.photobucket.com/user/Grimeszee/media/Air%20Guns/20151021_231039-1_resized_zpsknptupbk.jpg.html)
Like that. And chop 3" off the stock with a red dot.
Yes.
I'm digging the idea of a shorter-barreled carbine pumper. I'll keep mine longer than this fine example, but not much- an inch or 2 longer so it easily holds my LDC, though I'll start off with a full length barrel first.
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Mine is way shorter because I had to cut off the 1377 "lead in" and transfer port hole and recrown it. It ends right before the barrel band. I wanted to add a funky looking muzzlebrake from ebay but ran out of barrel.
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Short barrel = less accurate. Correct?
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My chopper holds 1/2" @ 10 yards with Crosman Premier Lights.
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Short barrel = less accurate. Correct?
In general yes. There are a lot of variables to consider. Mine is a one hole gun at 10 meters with them old Tech Force pointed pellets. I was really confused at first because I didnt know where the pellets were going. I even shanked the fourth shot on purpose because I didn't believe it. So I went from large grapefruit sized groups to one hole. Remember though, my barrel was a flipped 1377 barrel made to fit the 760.
EDIT: I named mine "Stubby" by the way. Lol
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Short barrel = less accurate. Correct?
Usually, but not always. Short barrel means less efficient use of full charge of air. But in springers, some guns benefit from shorter barrels as the pellet has exited the barrel prior to full recoil response. This thread is about laughably bad 760 pumpers, though. I chopped my existing barrel several times experimenting and it progressively got worse- which is fine. It's the stock smoothbore, and the pieces I cut off made a hilarious zinging sound when I shot them with my slingshot. I had received notification my barrels arrived. The only problem is I'm in Daytona Beach FL, and my home is in Richmond VA :( The good news is that I'll be home Friday and have a fun weekend project :D
Incidentally, short barrel pumpers have their own appeal. Compact size being a major one, especially when fitting an LDC. In the end, one must figure out what he or she is looking for in a particular airgun and either purchase or build accordingly. I know some folks prefer to have large collections, and that's fine. I'm just a firm believer in keeping the toy collection small so it isn't hard to justify buying another and then selling/giving away something that fell short of desires.
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Short barrel = less accurate. Correct?
Not for a rifled barrel. But a shorter sight radius makes guns harder to shoot accurately. A 38 snubby is not inaccurate, but it sure takes a while to get a good sight picture to 25yds.
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Ya know... I might have a 17" .22 Crosman barrel..... hmmmmm
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Ya know... I might have a 17" .22 Crosman barrel..... hmmmmm
dooooooo itttttttt!
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Short barrel = less accurate. Correct?
It's not that simple. I once bought a used old Colt .38 special revolver that was for sale at an indoor range. It was some kind of police model with a 4 inch barrel. Someone had a gunsmith mill the top strap and mounted a scope mount, and it had a two power Burris pistol scope mounted. I had tried the gun out at that range, and happened to have brought along some .38 special hand loads. The hand loads had Hornady hollow based wad cutters over a charge of Bullseye powder. I couldn't believe how well that odd ball revolver could place round after round into the same hole. Must have had a high quality barrel.
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Welp, this thread may push me to buy a camo 35 to steal parts from for my metal 880 with no stock, that's in need of a new valve, and has a dented barrel shroud.
I figure the buttstock, valve, and barrel shroud will bolt up. I can then cut the 880 barrel to length. Then with some dremelling and grinding and drilling, the 35 pump arm maybe can become two halves for a new 880 forearm stock?? :o ???
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Short barrel = less accurate. Correct?
I've always been of the belief that a shorter barrel is stiffer than a long barrel of the same diameter, thus more accurate.
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ftp://
Short barrel = less accurate. Correct?
Took me forever to find this, but check this out.
http://www.gatewaytoairguns.org/GTA/index.php?topic=98736.msg924038#msg924038 (http://www.gatewaytoairguns.org/GTA/index.php?topic=98736.msg924038#msg924038)
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Well, aside from an OOOPS moment right after disassembly, the new barrel was... a royal pain in the buttocks to get slid into the new alignment piece for the breech. The barrel's knurling made it a bear. Next time I'll chill the barrel and lube it with some dielectric grease...
Preliminary testing: the new barrel hurls Crosman pellets almost as bad as the smoothbore. I filed most of the chamfer off and used a rotary file (twirling in my fingers) to "recrown"... real hack job, but now JSB Exacts are solidly grouping. 3/8" inch group with 10 shots (total size not CTC) at 10 yards, resting only on one bag, 8 pumps. I feel there's definitely more room to tighten up.
I bet the H&N Snipers will do well. Surprisingly, H&N Excite wadcutters shot poorly. Barracudas were okay, not good enough for my taste.
I'll do a proper recrowning and try again later. Incidentally, the replacement barrel is a couple thousandths smaller OD, so my Rocker1 adapter fit a tiny bit loose, and something clipped an inner baffle enough to lodge inside the LDC. Not gonna sweat it, just something to keep in mind if you have an LDC adapter you want to mount.
The CP 4x scope I'm using ran out of vertical adjustment, so I need to shim it- not a surprise giving the scope rings (very cheapo freebie rings).
OKAY, the short answer: the new barrel is worth the effort as is. With a proper recrowning, I suspect this thing can be a one-hole wonder at 15 yards without much effort, and can probably stack pellets at 20 with some real attention to detail.
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Great news! I hope it's good for 20, or even 30 yards. 20 sounds better than 10.
No real point in having a scoped rifle to shoot 10 yards.
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I've had to recrown a couple of stock barrels that you could tell were bad just by looking at them. Glad to hear it's working out for you. I think you're good for 20. I don't have the space to test past 13 and even then, I can't get into a comfortable shooting position.
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I got barrel # 2 recrowned, same lazy way. I'll probably mount it and chop the first barrel a few inches down.
Also agree with the 20 yard assessment, even 30 for one inch grouping as long as I can clean the crown. I need to order some H&N Sniper mediums as well as the lighter JSBs... And some RWS wad cutters while I'm at it. Most of my better 177 pellets are heavirrelevant than 9 grains.
This is an easy way to get better accuracy cheaply.
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Yep, the M-4 .177 barrel is a drop-in and you also want the mount.
Parts #s are MK177-010 and 760E-12 ... dunno prices yet, be calling shortly. If it's cheap, I'll be buying some extras.
edited as Crosman has a new part number/// Barrel costs $9.97 and support bracket is still $1.00. I ordered 2 of each, delivered for under $26
Me be happy!
I might be doing this too, the kiddo just got a 760, and it is horrid. We might be taking it back though. His choice.
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I'm happy with the results thus far. Both replacement barrels are far better. I filed the knurling down so it would slide into the breech piece more easily, then used some gasket sealant to seal things up.
I'll be chopping 4 more inches off one barrel to make it a micro-rifle... think of a 1377 with better ergonomics and a (albeit flimsy) dovetail.
For the money, I'm happy.
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I'll be chopping 4 more inches off one barrel to make it a micro-rifle... think of a 1377 with better ergonomics and a (albeit flimsy) dovetail.
For the money, I'm happy.
Those low cost long one piece scope risers can help with the flimsy dovetail situation. I use them on my "clambshell" guns. There shouldn't be any loading issues if you use the pellet clip. It helps the scope clear the rear sight, depending on scope position. They come in offset versions too.
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I'll be chopping 4 more inches off one barrel to make it a micro-rifle... think of a 1377 with better ergonomics and a (albeit flimsy) dovetail.
For the money, I'm happy.
Those low cost long one piece scope risers can help with the flimsy dovetail situation. I use them on my "clambshell" guns. There shouldn't be any loading issues if you use the pellet clip. It helps the scope clear the rear sight, depending on scope position. They come in offset versions too.
I'll be investing in the 1-piece dovetail mount rail.
Why? Because the gun now blows my mind. If I hadn't shot it myself, I'd would have never believed it. Single hole groups with RWS pointed, JSB Exact, Beeman Silver Arrows, H&N Barracuda (best overall), and 7.9 CPHPs. H&N Excite, Norica wadcutters, and RWS HPs shot well, but not in the same league. The CPHPs actually were evil-accurate, but I still ended up with at least one flier every 5 shots, so nope. JSBs and H&N Barracuda both had me taking a shot, then setting the gun down and walking up to my trap. This week I'll be opening up to 15 yards, though I need to put a real better scope on the rifle. It's now worth it.
Moral of story? If you have a 760 pumper and want it to shoot well, order up the barrel for the Mk4 .177 pumper.
Oh, and that little piece that aligns the barrel and lines up over the transfer port? Very easily removed using a crescent wrench on the plastic piece (aligned with the flat sides) then grip the old barrel with a pair of slip-joint pliers or Channel-Locks. I then filed the knurled section on the barrel's back end so it slid in easier, then pulled the barrel back out, added a drop of gasket compound around the end, and slid it back in. For less than $46 I have a little pumper that takes 5 shots clips and is accurate for what it is.
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I'm glad it worked out. I couldn't believe how good my 760 got after I worked on mine. It had me questioning what was going on. Those clips are a hoot.
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Here's the actual results from 15 yards with RWS Mesiterkugeln 7.0 Wadcutters. Used the CVLife scope I got yesterday. I chose to sight in one mil-dot down from the crosshairs so I wouldn't run out of travel on the turret.
I have several other pellets that likely shoot better, but I'd say this is a fair size group... and that's a 5 shot group.
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Looks good to me!
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Looking good. I like the looks of the gun too.
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A lot of fun for me too. I followed an contributed to this thread a while back;
http://www.gatewaytoairguns.org/GTA/index.php?topic=111889.msg1115143#msg1115143 (http://www.gatewaytoairguns.org/GTA/index.php?topic=111889.msg1115143#msg1115143)
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Anti S, real nice work there. I have an old recruit that might need to have a rifled barrel added.
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Pgritty, for the Recruit get the Powermaster 66 barrel, I did that to one and it worked out pretty good. If you really want to get some power out of it you could put a flat top piston and valve in it (same one as a 13XX), I did most of the mods to mine that are common and get 750fps on 10 pumps, and one shot at 750 and one at 500fps at 15 pumps... I know I could get more speed or even out the two shots with some hammer spring mods but I'm leaving it there for now... The mods I did to mine are flat top piston and valve, pinned the valve with a screw so there's more than the indent holding it in place, installed a pin in the piston face and drilled out the intake port a touch to take up some head space, I believe everything else in the powerplant is stock. For the trigger, if you take a screwdriver to the front leg of the trigger spring with everything installed and push it down in the middle some that will reduce the trigger pull, if you leave everything assembled in the left receiver half you can pull it to test it out.
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Dan, I like the looks of that camo 760- looks sharp!
I'm experiencing a lot of flex between the clamshells along the top of the "stock" section. My inherent laziness will probably result in some travesty of duct tape to provide temporary relief. I'm considering a tear-down for a flat-top piston, but a part of me wants to start searching for a metal-receiver 760 and add wood furniture. That replacement barrel is accurate enough to hold sub-inch accuracy at 15 yards with gusting winds ranging from 10 to 20 knots- I was astounded I was even grouping as I could feel the wind buffet me as I tried holding a steady aim. I definitely need to add some weight as this thing is just too light.
And of course, then there's going the Daisy 880 or 901 route for another pumper.
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I'm considering a tear-down for a flat-top piston, but a part of me wants to start searching for a metal-receiver 760 and add wood furniture. That replacement barrel is accurate enough to hold sub-inch accuracy at 15 yards with gusting winds ranging from 10 to 20 knots- I was astounded I was even grouping as I could feel the wind buffet me as I tried holding a steady aim. I definitely need to add some weight as this thing is just too light.
lol A metal reciever 760 is the next step. I want to get another one too. I'd start with a whole nother gun because you're going to miss those clips. I just converted a 66 to a metal reciever.
The plastic 760s ARE kind of light. I've experienced the same thing with winds.
About the Daisys, in the end you're going to want an older metal reciever Daisy.
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Rangerfredbob Is the crosman 66 barrel available from crosman or would I need to find a beater to get a barrel? flat top piston and valve, trigger mod I see that I have my work cut out for me doing searches to break down the things that are common to you guys, but leave us newbies in the dust. lol Thanks for the input and I will get busy as time allows.
Pat
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I ordered a 66 barrel a couple years ago from Crosman for $9 and change, so it used to be available, haven't tried recently but need to make a parts order soon...
No need to dig all the way in all at once... I did start in this mess around 6 years ago but I do everything on a budget... I've bought very few aftermarket parts other than from Crosman themselves, since I have a metal lathe I have made all my own flat top pistons and valves. A lot of people even without lathes flat top their own valves and buy a piston, it can be done carefully with a dremel and file
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MK177-010 is the number for a rifled barrel from Crosman! I just got one to redo a 760C.
It's a drop in. 16.75 inches long
$9 and change.
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MK177-010 is the number for a rifled barrel from Crosman! I just got one to redo a 760C.
It's a drop in. 16.75 inches long
$9 and change.
Yep- I posted that about halfway down the beginning of this thread--- I ordered 2 barrels and 2 supports and it still came to only $25-ish. First barrel shot well, second shoots amazing. I was printing 1/2" groups at 15 yards in 20 knot winds earlier today with JSB Ultra Shocks. When I get back from this next trip for work I'll run a bunch of pellets over the chrono at 8 and 10 pumps- would be nice to know the exact power. About the JSB Ultra Shocks: was really surprised how well they flew given the shape of them. The best pellets for this barrel are Norica Domes; for the other barrel, a toss-up between JSB Exact Heavies and RWS Meisterkugeln WCs, though several others shot well including the Skenco Ultrashocks which are slightly lighter than the JSBs. Just proves it is still worth testing no matter what.
For the money, it's a great upgrade if you stick to pellets. But I'm of the opinion pumpers are for pellets and leave the BBs for smoothbores.
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As to the breaking stock issues on these, and some other plastic pump up air guns, since I had read about these problems, I, from day one, find a way to pump them up with no strain on the stocks. I see Youtube videos all the time showing the gun owner putting 10 pumps into their air rifles, and pumping them like it's an Olympic event. Not the way to make them last. I find a way to use my right hand (non pumping hand) to support the gun on the top side at or near the base of where the barrel meets the receiver, as I slowly use my left for pumping. I normally put the butt of the gun on my leg, with the muzzle pointing straight up, and the pump handle facing left. I shoot the following multi pumpers on a regular basis: Crosman 760, Model 66, 1377 and 1322 carbines, Remington Airmaster 77 (older model-metal receiver), Daisy Model 880, and soon, a new Umarex APX NXG.
I wasn't going to buy the Umarex, due to health issues, but finally decided to do it, as the amount of enjoyment I get shooting these airguns gives me much in return for the money involved.
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LOL.... Betty Lou and I were walking thru Walmart one day and I spotted a whole pallet of them in the feature aisle. I can't remember ( there is a post here somewhere ) I think I paid like $24? each for them? Anyhow, Brought them home and opened the boxes. Scoped em up, if that's what you call that thing that came with them. I think we shot 1 clip each? Boxed them up and they went back where they came from. Come on Crosman... please stop screwing up all my childhood memories. Just bring one back with the qualities of yesterday. Ya'll messed up Sheridan, then ya wacked Benjamin and now your killing your own stuff. Not everyone wants a CCS or a Disco. Some of us want a quality wood and metal pumper... don't you dare suggest the new 397/392. I mean... you did come close.... until you got to the trigger. And to beat all, you took a Chinese knock off of a Daisy Red Ryder and called it a Sheridan. Ok, I'm done.
Ive got a Crosman Summit Ranger being delivered tomorrow. Im going to give Crosman a chance with this NP2 Made in the USA it also has metel sights instead of plastic. We shall see how this Crosman performs and I will keep you posted as I go along.
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My laughingly bad Crosman 760, gave me a nice 5 shot 1/4" group yesterday off a rest. True, it was only 7 yards/21 feet. Pellet was the Crosman Premier Super Match wad cutter (as always). I tried Destroyer EX's, and Gamo Match wad cutters too, but they just could not compete with the Premiers. Eight pumps. BB's at 7 yards? 1" to 1.5". Sometimes a wild flyer in the bunch.
So, I'd say, mine's not "laughingly bad". More like "Occasionally irritating".
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I then filed the knurled section on the barrel's back end so it slid in easier, then pulled the barrel back out, added a drop of gasket compound around the end, and slid it back in. For less than $46 I have a little pumper that takes 5 shots clips and is accurate for what it is.
Which type of gasket compound did you use for the barrel going into the plastic barrel support?
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I then filed the knurled section on the barrel's back end so it slid in easier, then pulled the barrel back out, added a drop of gasket compound around the end, and slid it back in. For less than $46 I have a little pumper that takes 5 shots clips and is accurate for what it is.
Which type of gasket compound did you use for the barrel going into the plastic barrel support?
Regular old Permatex Ultrablack RTV.
Sorry for the delay.
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Thanks! I have the barrel and the supports. I figured I better get it being the mk-177 gun has been discontinued. The crown doesn't look too good though. I'll probably recrown it.