Smith and Wesson 22 Cal. Air Rifle Model 77a

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Offline Ckistner

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Smith and Wesson 22 Cal. Air Rifle Model 77a
« on: August 02, 2012, 08:05:47 PM »
Hi all,

New to the board and I just had to show my new S&W 77a.  Newer Sheridan under.

I picked this up recently for $80.  Seals need replaced and I can't wait to get her working.  If you have any experience with this model, let me know.  I would love to hear how they perform.

Thanks,
Ck
« Last Edit: August 02, 2012, 08:08:11 PM by Ckistner »
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Offline PakProtector

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #1 on: August 03, 2012, 06:55:55 PM »
hey-Hey!!!,
I like that S&W. Had a 79G when I was young...no idea what became of it. Still have the Sheridan though, and another besides. Would love to fall into a 77...:) How does yours shoot?
cheers,
Douglas
  • Ann Arbor, MI
1990 D250, NV5600, Luk 05-101, 16cm housing, TST Kit KDP tab, 366 spring, Powr-Lok'd 3.07, HX35...IC soon

She wasn't built to travel at the speed a rumour flies

Offline Ckistner

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #2 on: August 04, 2012, 07:11:55 PM »
hey-Hey!!!,
I like that S&W. Had a 79G when I was young...no idea what became of it. Still have the Sheridan though, and another besides. Would love to fall into a 77...:) How does yours shoot?
cheers,
Douglas

It currently doesn't.  As I mentioned in the original post, seals seem to be shot.  I have been trying to gather info on repairing.  So far, I have had offers to repair but nothing on where I can get parts.  And I can't seem to find anyone that has one that can tell me how theirs shoots.  I did learn that these guns were only made between 1970 and 1978.

Thanks,
Ck
« Last Edit: August 04, 2012, 07:33:25 PM by Ckistner »
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Offline ezman604

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #3 on: August 04, 2012, 08:46:27 PM »
Hey Ck,
I picked one of these up a short time back. It's a hard shooter, for a multi-pumper. Mine has had no internal maintenance as far as I know ands shoots HARD. Here are a few posts on it that I have made.

http://www.gatewaytoairguns.org/GTA/index.php/topic,23618.msg213683.html#msg213683

http://www.gatewaytoairguns.org/GTA/index.php/topic,22091.msg202373.html#msg202373

Remember 1 important point about this gun. You must FIRST cock it or it will not pump up or hold pressure. I made that mistake the first 2-3 times I tried to shoot mine. And this was with a nutter within 20 yards and in my sights. Thought he was bullet proof at first. LOL
Next, add some Pelgun oil to the wiper behind the pump seal.
If you find you need parts, check our Mall area for JG Airguns. John carries some parts for these guns.
Good luck, welcome and keep us posted.
SAFE & Happy Shooting!!!!
Dave
 8)
« Last Edit: August 05, 2012, 03:32:13 PM by ezman604 »
Revelation 760 PumpMaster (Vintage 1967)
Powerline 1000S .177 (semi-tuned by me & innards by kiwi Pete)
Benjamin Super Streak .177/.22 (converted to NP & w/GRT-III)
Beeman HW97K .177
Benjamin Trail NP XL1100 (home tuned by muwah with Tuna trigger)
Stoeger X-20 RAMmed by Gene and Tuna trigger
Winchester 1000SX .177 (semi-tuned by muwah)
Winchester 1000B RAMmed by Gene
Crosman 1377 "Goldfinger"
Disco .22 Multi-Shot Custom

Ain't this a great place to be

Offline Ckistner

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #4 on: August 05, 2012, 02:35:38 PM »
Hey Dave,

Thanks for the response and the links.  Glad to hear I have something to be excited about.  Love the post about the scope mount and awesome job.  I thought it was interesting that my 77a does have a dovetail for a scope.  I added a pic below.  Since yours is a 1970, I would have to assume they added this feature later.  Do you know of any clue's to identify the year?

Also, I can't seem to get the first link you provided to work.  The others provided great info and I didn't want to miss anything.

Thanks for the info and the welcome,
Ck

« Last Edit: August 05, 2012, 02:46:55 PM by Ckistner »
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Offline ezman604

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #5 on: August 05, 2012, 03:31:39 PM »
Hmmm...not sure how that link got posted. Here is the correct one.
http://www.gatewaytoairguns.org/GTA/index.php/topic,21229.msg189856.html#msg189856

There were 2 versions of the 77a. Mine, without the dovetail, is the first version. I think 78 or 79 is when they revised it by adding the dovetail.
Revelation 760 PumpMaster (Vintage 1967)
Powerline 1000S .177 (semi-tuned by me & innards by kiwi Pete)
Benjamin Super Streak .177/.22 (converted to NP & w/GRT-III)
Beeman HW97K .177
Benjamin Trail NP XL1100 (home tuned by muwah with Tuna trigger)
Stoeger X-20 RAMmed by Gene and Tuna trigger
Winchester 1000SX .177 (semi-tuned by muwah)
Winchester 1000B RAMmed by Gene
Crosman 1377 "Goldfinger"
Disco .22 Multi-Shot Custom

Ain't this a great place to be

Offline Ckistner

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #6 on: August 05, 2012, 03:51:23 PM »
Did you ever find the exploded part diagram you were looking for?  I just took mine apart.  Someone had jammed a plastic pellet in the barrel.  All clear now and was going to remove the pump to check out the seals.  The front site has the screw that I removed but was curious if there was a trick to removing?  It doesn't seem to want to budge and I'm not forcing it until I know what I am dealing with.

Ck
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Offline SnoValley

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #7 on: August 09, 2012, 11:48:20 PM »
Ck, I had one of these and resealed it myself. It was a while ago and I don't remember it being anymore difficult than any other.
I do remember that there was a specific sequence to follow to take it apart and get it back together, one of those part A must be in place before you attempt to fit part B type of things. It was a hard shooter when done but this was when my Chrony went missing, so I don't have any numbers. but it was as strong as a good Sheridan and very accurate. If you have yours apart, you know how well these are made, they are the real deal.
I traded mine to Tim Schmidt, he is a real fan of these. If you need parts he probably has them. I got the parts I needed from Rick @ Precision Pellet.
I have a scan of the manual and some exploded pictures of the valve etc. If you need them let me know and I'll e-mail them to ya..
Enjoy that rifle, I would have kept mine, except my current limitations to my shoulder make the big guns hard to shoot and pump.
  • Snoqualmie, WA
A gun in the hand is better than a cop on the phone 
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Offline Ckistner

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #8 on: August 10, 2012, 03:10:47 PM »
Ck, I had one of these and resealed it myself. It was a while ago and I don't remember it being anymore difficult than any other.
I do remember that there was a specific sequence to follow to take it apart and get it back together, one of those part A must be in place before you attempt to fit part B type of things. It was a hard shooter when done but this was when my Chrony went missing, so I don't have any numbers. but it was as strong as a good Sheridan and very accurate. If you have yours apart, you know how well these are made, they are the real deal.
I traded mine to Tim Schmidt, he is a real fan of these. If you need parts he probably has them. I got the parts I needed from Rick @ Precision Pellet.
I have a scan of the manual and some exploded pictures of the valve etc. If you need them let me know and I'll e-mail them to ya..
Enjoy that rifle, I would have kept mine, except my current limitations to my shoulder make the big guns hard to shoot and pump.

Thanks Snovalley,  I will take you up on your offer for manual and pics.  I will PM you my info. 

Ck
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Offline ezman604

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #9 on: August 10, 2012, 03:13:20 PM »
I THOUGHT I had a file copy of the manual but cannot locate it. I did however, send a photo showing the valve assembly disassembled. Hope that helps.
Revelation 760 PumpMaster (Vintage 1967)
Powerline 1000S .177 (semi-tuned by me & innards by kiwi Pete)
Benjamin Super Streak .177/.22 (converted to NP & w/GRT-III)
Beeman HW97K .177
Benjamin Trail NP XL1100 (home tuned by muwah with Tuna trigger)
Stoeger X-20 RAMmed by Gene and Tuna trigger
Winchester 1000SX .177 (semi-tuned by muwah)
Winchester 1000B RAMmed by Gene
Crosman 1377 "Goldfinger"
Disco .22 Multi-Shot Custom

Ain't this a great place to be

Offline SnoValley

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #10 on: August 10, 2012, 08:23:31 PM »
Ck you've got mail, broke it up into 3 e-mails, wasn't sure of your bandwidth.
David
  • Snoqualmie, WA
A gun in the hand is better than a cop on the phone 
ΜΟΛΩΝ ΛΑΒΕ!

Offline Ckistner

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #11 on: August 10, 2012, 09:09:34 PM »
Got it.  Thanks.  Sent you back a PDF in case you wanted.

Ck
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Offline Rocker1

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #12 on: August 14, 2012, 03:10:50 PM »
 I got to hold one of those a few days ago at the flea market a gentlemen had just bought, said he gave 125 for it sure was a fine looking old ag with a walnut stock on the one I seen.  David
HW97 GENE BUILT MULTI SHOT DISCO EVANIX AR6 CZ200 TITAN 2X1377 RWS 45  GAMO DELTA BENJAMINE 392 REMINGTON NPSS  G1 EXTREME RWS 35 GENES R11 I HAVE HID FROM HIM REMINGTON SUMMIT PHANTOM GAS RAMMED bsa lonestar 25 cal crosman quest 177 CZS200 BT65 TURKEY GUN

Offline Ckistner

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #13 on: August 16, 2012, 02:35:12 PM »
J.G. Airguns not longer makes parts for the 77a.  They only carry the o-rings.  Anyone have suggestions on where else might carry parts?

Thanks,
Ck
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Offline SnoValley

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #14 on: August 17, 2012, 12:34:22 PM »
Try Rick Willnecker @ Precision Pellet.
He has many of the obscure parts for the older guns and actually has some of the harder to get stuff manufactured new.
717-382-1481
www.airgunshop.net
I discovered him a couple years ago and use him for just about everything I need. He is a great guy to talk to and knows what he's talking about, great resource!
Never met him but have talked on the phone many times.
  • Snoqualmie, WA
A gun in the hand is better than a cop on the phone 
ΜΟΛΩΝ ΛΑΒΕ!

Offline Ckistner

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #15 on: August 21, 2012, 11:07:35 AM »
Try Rick Willnecker @ Precision Pellet.
He has many of the obscure parts for the older guns and actually has some of the harder to get stuff manufactured new.
717-382-1481
www.airgunshop.net
I discovered him a couple years ago and use him for just about everything I need. He is a great guy to talk to and knows what he's talking about, great resource!
Never met him but have talked on the phone many times.

Rick also only repairs and does not sell parts kit.

Ck
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Offline Ckistner

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #16 on: September 05, 2012, 07:50:02 PM »
Well...  Decided to pull the trigger and have a professional fix my 77.  I am having it serviced by Dennis Baker at Airgun Repair.   He sealed an old Benji for me so I thought I would trust him with my 77.  Has anyone used him before?

Ck
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Offline PakProtector

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #17 on: September 16, 2012, 09:06:00 PM »
hey-Hey!!!,
There is one for sale now...it is labled as 'pick up in MA only'...and I am not in MA, but MI...now if I were in ME it might be possible...grrrr, what am I going to do?
cheers,
Douglas
  • Ann Arbor, MI
1990 D250, NV5600, Luk 05-101, 16cm housing, TST Kit KDP tab, 366 spring, Powr-Lok'd 3.07, HX35...IC soon

She wasn't built to travel at the speed a rumour flies

Offline Ckistner

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #18 on: September 17, 2012, 11:45:41 PM »
hey-Hey!!!,
There is one for sale now...it is labled as 'pick up in MA only'...and I am not in MA, but MI...now if I were in ME it might be possible...grrrr, what am I going to do?
cheers,
Douglas

I saw that post.  Who would post on that site and not be willing to ship.  Makes no sense.

Ck
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Offline Ckistner

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Re: Smith and Wesson 22 Cal. Air Rifle Model 77a
« Reply #19 on: October 13, 2012, 05:32:25 PM »
Well it finally arrived. What a perfect day to go out. No one is in the house. Duck out back with a fresh pack of pellets to see what this 77 can do. I have been waiting for this since I found it in an estate auction back in July. Well, I'm here to tell you it did not disappoint. This thing is so easy to pump. I'm use to my old Bens and Dans which can tire you out after a while.

First shot at about 40ft, went left of the target. The sight was off. Straightened it up and the little yard statue that my wife likes to buy from Big Lots, didn't stand a chance.

Documentation from service center says it registered 610 fps at 10 pumps. I've read that these can be pumped up to 20 times. I borrowed a ChronoPro Jr from a friend in anticipation of delivery this weekend but I can get the "dang" thing to work. Screen just reads 8.8.8.8 and wont go to ready.

Oh well. Time to go back out and shoot some more. Just wanted to update everyone. Thanks for all who contributed to this thread.

Ck
  • Ohio

How do you word it... "Air Guns" or "AirGuns"?