GTA
All Springer/NP/PCP Air Gun Discussion General => PCP/CO2/HPA Air Gun Gates "The Darkside" => Topic started by: Rdsail on January 01, 2014, 04:54:36 PM
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I got an mrod .25 for Christmas. I tested 4 different pellets and only the JSB 25.4 kings did well. From 40 yards I get a big .5 in hole with 8 shots. The other pellets tested where HN Cudas, HN Hunter Extremes and Benji Domes. I had the hopes that a heavier pellet would perform well but that was not my luck. The benjis performed the worse to my surprise. 3" from 40 yards.
The gun with settings from factory was shooting the JSB kings around 850. I went head and max out all the settings and I was topping out at 870-875.
Mods So far:
1.- Filled the stock with foam ( both the butt and the fore grip). I added gorilla tape in the fore grip for a nice finish.
(http://farm3.staticflickr.com/2832/11634917955_8cfef3d091.jpg)
(http://farm8.staticflickr.com/7421/11635684706_d8879e0fef_z.jpg)
2.- I reduced the OD of the bolt probe the same way as I did with my disco and also remove some material from the thicker part of the probe so It would not block the barrel port. This mod along have me a 20 fps gain in power.
(http://farm6.staticflickr.com/5526/11657085734_f019ab90f0_b.jpg)
here are some number with everything maxed out and the bolt mod:
3200 psi
895
897
899
898
895
893
891
890
884
878
884
874
868
854
842
2000 psi
The I took out 1 turn of preload and got this numbers.
(http://farm4.staticflickr.com/3667/11693443643_dbedaa5d40_o.jpg)
More to come.
I'll will be modding the valve for better flow. Which will be opening the ports in steps to find better performance.
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I added a sling attachment in better the stock one and the trigger so my bipod feels more comfortable for me.
I made a single shot tray. I used some PVP foam I had left over. I extended it towards the right site to make pellet loading easier.
Rough - Before sanding it month and adding a couple of layers of poly.
(http://farm6.staticflickr.com/5522/11696078415_16cd2edb6a_n.jpg)
(http://farm8.staticflickr.com/7398/11738391293_77848fb573_n.jpg)
(http://farm3.staticflickr.com/2813/11738142715_b7c163f727_n.jpg)
(http://farm4.staticflickr.com/3691/11738558564_2e53c6d3df_n.jpg)
Next set of mods will be to open up the exhaust port, Tpot and barrel port to .156. I will also open the throat some but I have not decided how much. Just looking to get better from and reduce the hammer some.
But I'm waiting for to get some part for my disco and put it back together. I want to have a gun too shot while one is dow.
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Boy o'boy fun times in the O'l shop tonight !!
Can I be the fly on the wall ? ... love modifying these m-rods, if only watching :P
Nice so far ... POWER IT UP ;D
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looks good, thanks for sharing
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Have a 25 cal syn and so far have only tried benjamin dome with poor results and JSB kings 25.4.
Out of seven 5 shot groups at 50 yds 6 groups had one flyer, group size excluding flyers were all .5 inch or less, with flyer about 1.0 inches.
The seventh group had all five shots at 0.29 ctc. This was with factory tune.
Going to try different tune then some H & N Cudas, some Kodiacks.
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Degassed it today. And worked on the Valve.
Specs:
Tport: 0.156 Barrel Port: 0.156 Valve: Throat: 0.210 Valve Exit port: 0.167
Intake: I opened it as mush as possible and still have material to hold the spring. Also drilled two hows to allow outer flow.
Now The pictures:
(http://farm4.staticflickr.com/3758/11759392286_99a7ff0f0f.jpg)
(http://farm3.staticflickr.com/2852/11759388226_4faaccd4cd.jpg)
(http://farm8.staticflickr.com/7375/11758874753_1d61e58410.jpg)
Here is the mod to the shroud holder:
(http://farm4.staticflickr.com/3730/11759378736_a70a09ddf9.jpg)
There has been a significant power gain. I'm topping out at 980 with JSB kings and I could add more hammer if I want to. But I brought my hammer down to about ave of 890. My shot count increased significantly and my efficiency went from to 1.304.
(http://farm6.staticflickr.com/5477/11760660933_a25f2a62b7_o.jpg)
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980 fps with a 25 gr pellet is some serious stank! gotta love crosman guns for their ease in modding. keep posting the mods! always cool to see what others are doing and coming up with.
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980 fps with a 25 gr pellet is some serious stank! gotta love crosman guns for their ease in modding. keep posting the mods! always cool to see what others are doing and coming up with.
Unless I'm misreading the charts, his max is 905 fps.
I'm looking at a SynRod and the Crosman site say that the .25 is 900 fps from the factory. Where am I going wrong?
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Lets see some groups dan. Otherwise looking great !
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VTmachtech,
I can get to to 980 but I turned it down so for shot count. I Did not do a string at full power. That speed is too fast for pellets in general. so I turn it down a couple of turns. About the factory setting, mine was shooting about 840-850 from factory with the JSBs. This is normal to all guns. Don't look at the advertised speeds. Once I maxed out all the setting I was getting 870-880. But compare the first chart to the second and look at the efficiency.
Dave,
I will do that when I get a chance. I need to figure out if I will turn the power down some more to see if I get 24 shots with in the -4% spread. That would be sweat. 3 mags at about 42-43 fpe will be perfect and that will put the average around 880. I just don't know if that would be enough air saving to gain 4 shots. probably 2.
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this is one thing i love about pcp's. the ability to tweek and tune it to exactly what you want. in tinkering i always see what i can get out of them but end up running them at less than 1/2 max power for consistacy and shot count.
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Looks good Daniel!!
Always tinkering, aren't you:-)
T
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VTmachtech,
I can get to to 980 but I turned it down so for shot count. I Did not do a string at full power. That speed is too fast for pellets in general. so I turn it down a couple of turns. About the factory setting, mine was shooting about 840-850 from factory with the JSBs. This is normal to all guns. Don't look at the advertised speeds. Once I maxed out all the setting I was getting 870-880. But compare the first chart to the second and look at the efficiency.
Dave,
I will do that when I get a chance. I need to figure out if I will turn the power down some more to see if I get 24 shots with in the -4% spread. That would be sweat. 3 mags at about 42-43 fpe will be perfect and that will put the average around 880. I just don't know if that would be enough air saving to gain 4 shots. probably 2.
You might be surprised as to what you can do in terms of accuracy with the Kings at high speed. My Mrod will stack Kings all day long in the high 900s. I don't see why any other Mrod wouldn't.
Your shot count turned down is awesome. Much more efficient than my gun. How did you turn it down? Did you mostly rely on the velocity screw? I can't get my modded valve down to a lower velocity unless I use Bstaley buffers or tune for a low psi fill. I always run my velocity port screw wide open.
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Degassed it today. And worked on the Valve.
Specs:
Tport: 0.156 Barrel Port: 0.156 Valve: Throat: 0.210 Valve Exit port: 0.167
Intake: I opened it as mush as possible and still have material to hold the spring. Also drilled two hows to allow outer flow.
Now The pictures:
(http://farm4.staticflickr.com/3758/11759392286_99a7ff0f0f.jpg)
(http://farm3.staticflickr.com/2852/11759388226_4faaccd4cd.jpg)
(http://farm8.staticflickr.com/7375/11758874753_1d61e58410.jpg)
Here is the mod to the shroud holder:
(http://farm4.staticflickr.com/3730/11759378736_a70a09ddf9.jpg)
There has been a significant power gain. I'm topping out at 980 with JSB kings and I could add more hammer if I want to. But I brought my hammer down to about ave of 890. My shot count increased significantly and my efficiency went from to 1.304.
(http://farm6.staticflickr.com/5477/11760660933_a25f2a62b7_o.jpg)
So with the valve and port changes you increased you shot count 50%???? That is incredible! From 21 shots to 30 shots at the same power level, if I am reading the tables correctly?
I wish I could have that type of improvement in my .22 Marauder!
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You might be surprised as to what you can do in terms of accuracy with the Kings at high speed. My Mrod will stack Kings all day long in the high 900s. I don't see why any other Mrod wouldn't.
Your shot count turned down is awesome. Much more efficient than my gun. How did you turn it down? Did you mostly rely on the velocity screw? I can't get my modded valve down to a lower velocity unless I use Bstaley buffers or tune for a low psi fill. I always run my velocity port screw wide open.
Right now I have the Hammer travel and velocity screw are max out. All I'm using right now it the hammer preload. I was not specting the curve to be so flat. I thought that I would get better shot count and then use the bstaley mod to flatten it.
I think that the reason for the increase on efficiency is that the valve is letting air out much quicker and it is closing before the pellet exits the barrel. The clear way to know that this is happening is by noticing that the rifle is significantly quieter which means it is not wasting air throughout he shot cycle. If I use the velocity screw, then you start shocking the air flow and the valve start to stay open longer than need it.
So with the valve and port changes you increased you shot count 50%???? That is incredible! From 21 shots to 30 shots at the same power level, if I am reading the tables correctly?
I wish I could have that type of improvement in my .22 Marauder!
I did not get a 50% increase but about 25 to 30. I'm getting roughly 6 more shots than from stock.
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Daniel,
Wow, the increase in efficiency is simply amazing... going from a mediocre .845 to the new 1.304. Very, very nice. You found the magic key on that one.
Lloyd
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I did forget to mention one mod. I also opened up the Gauge block as much as I could. I don't have any pictures of that put the hole now looks like a D.
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Had Some time today to shot some groups. I was shooting with a bipod and no rear bag and using the magazine. Conditions where 40 degrees with little to no wind. Distance of 40 yards.
This group is of 5 shots with JSB kings
(http://farm8.staticflickr.com/7359/11860857544_6512b22381.jpg)
This group is of 8 shots with JSB Kings
(http://farm3.staticflickr.com/2825/11860864664_2bd2e63168.jpg)
Next time I'll will shot from my stand to see how it improves. The small squares in the paper target are 5.5mm squares. this can give you an idea of the group size. I seam to be getting 3 magazines before the POI start to drop. I'm filling up to 3100 psi
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Had Some time today to shot some groups. I was shooting with a bipod and no rear bag and using the magazine. Conditions where 40 degrees with little to no wind. Distance of 40 yards.
This group is of 5 shots with JSB kings
(http://farm8.staticflickr.com/7359/11860857544_6512b22381.jpg)
This group is of 8 shots with JSB Kings
Super nice.
(http://farm3.staticflickr.com/2825/11860864664_2bd2e63168.jpg)
Next time I'll will shot from my stand to see how it improves. The small squares in the paper target are 5.5mm squares. this can give you an idea of the group size. I seam to be getting 3 magazines before the POI start to drop. I'm filling up to 3100 psi
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Rdsail, would you be willing to try a shot string with some heavy pellets? I'm curious to see if your gun gets even more efficient with heavy pellets or whether you've got it to a point where light v. heavy won't make a major difference.
They say imitation is the highest form of flattery. I like your tune so much I've tried to replicate it the better part of today. I just can't do it. My valve is modded out for raw power. I just can't get that flat of a string for that many shots no matter what I try. I've reinstalled my bstaley buffers but that has only flattened it out for 8-10 shots or so. You've got the magic valve buddy. I wouldn't change a thing on it and if you could replicate it I'd bet they sell like hotcakes.
However, I've decided to call it a victory if I could get my gun shooting more efficient like yours. The best I've ever been able to do is get an efficiency .98 for an average of 71fpe on a 10 shot string with 43.2 grain Eunjins on my old power tune. Today I decided to see if I could turn it down and get a longer shot string. No dice. I can get a longer string no doubt but its not flat nor efficient. I've been using Kings all day and it hit me that I should try my Eunjins again. What a difference the heavy pellets made. 1.36 efficiency for 12 shots for 60fpe average. I wasn't even past the top of my shot string because I ran out of Eunjin pellets, although in the future I would probably start my fill pressure lower and shave the first 2 shots off the string.
Point being, in my gun, which its the typical air hog most Marauders are, albeit not as much as many because of my custom valve, the heavy pellets have greatly improved my efficiency. So I am very curious to see what they do for your already awesome efficiency.
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Thank you for the complement.
For starters, I think I got very lucky finding this combination of ports on the first try. I started conservative and I was going to open the ports more as I saw fit. But I stopped after that turn out.
I have not tried heavier pellets on this tune. The heaviest I have on had are HN cudas (31g). When the weather gets better I'll have to try them. I was gaining about 2fpe from the JSB's to the cudas. I would expect to see at least the same increase. It would be nice to see more. Although the accuracy of the Cudas is not that great. That is why I'm sticking with the JSBs.
It would be interring to see hot the gun shoots with heavier pellets.
If I decide to make a more powerful valve I'll have to buy another valve. I'm not touching this one. I learn that the hard way with my disco.
Daniel
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What software or spreadsheet are you using to make these calculations?
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it is a spread sheet in excel. It has to be in excel for all the functions to work properly.
Actually a guy from the Yellow started and I grabbed it and added a lot more calculations.\\
here is the link for anyone to use. https://www.dropbox.com/s/0e3i5ljguhce9ww/Mrod25-1-4-14.xlsm (https://www.dropbox.com/s/0e3i5ljguhce9ww/Mrod25-1-4-14.xlsm)
all the yellow fields need to filled out and of course the string number. But before you file them out you need to choose the number of shots per string and the number of strings also the FPS right under that is for the max of the FPS chart.
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Thanks. Why 3 shot strings rather than 5 shot? Was that the format of the spreadsheet or did you choose that? Know of an iPad or Android app that does this?
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You can set it up to 3, 5 or 10. I used 3 to measure the efficiency better through out the curve. this way I can measure more air pressure changes.
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Daniel,
How long was that gun out of the box before you had it all taken apart? ;) ;)
Lloyd
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LOL. The partial tare down took 2 days and the full tare down was 7 days after purchase. I could not help myself.
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OK so I've had a little more patience than Daniel but to get inside of it is really getting hard not to do, especially after reading Daniel's post. The only thing keeping me from jumping right inside is that mine is Serial #1 and do not know if I want to mod it. I've done the foam and black tape to the stock as I could not stand the hollow sound of the synthetic stock and could always get a new factory synthetic if I wanted to bring it back to original.
Possibly once parts are available I could get new parts and mod them and keep the original ones in a safe place, of course that will be impossible for close to a year. I talked to Crosman the other day explaining I was a Authorized Service Center and would it be possible to get a Parts Manual for the new .25 Synthetic Marauder and was told not for about a year as they want all the Synthetic Marauders that have any issues to be sent back to them so they can see if there is something they need to correct in the design.
I guess I could go ahead and do some of the mods as long I do not do anything to the air reservoir that has the serial # then get replacement parts once they are available so I can convert it back to factory specs if needed to do so.
Hmmm now it is getting very difficult to resist! LOL
Norm
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............ mine is Serial #1 ...........................
Norm
NORM !!! :o How did you get SN # 1 ?
Lloyd-ss
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LOL. The partial tare down took 2 days and the full tare down was 7 days after purchase. I could not help myself.
Daniel, I totally understand. It was going to be taken apart sooner or later, so why put off the inevitable? ;)
Lloyd-ss
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here is a video of the gun shooting from 40 yards at at metal target. This is for the sound level. The camera is set about 2 feet from the gun. The metal target sound is at least X2 the sound of the gun. Actually hitting the pellet trap with rubber mulch is sounder.
http://www.youtube.com/watch?v=S3mO8E61wPs&feature=em-upload_owner# (http://www.youtube.com/watch?v=S3mO8E61wPs&feature=em-upload_owner#)
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Norm,
I don't know if I would modify #1 stock. that is would be a collectable item some day
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Lloyd basically Crosman announced they were going to sell the 1st 100 .25 caliber Synthetic Marauders made at 12:00 Noon on a certain date (I cannot remember the date) in November.
So on that date at about 11:30 AM I went to Crosman's website and checked out the new Synthetic Marauders and they were on a countdown to the start of the sale. So I scratched my head to think of a way to get #1 and came up with a plan that I was not sure would work. So I tested the plan on two other items and it sure looked like my strategic plan would work.
So I added a Disco to my Cart then went to my cart and filled out all my info (name, address, phone # etc.) and credit card info, which is the most time consuming part of the checkout process. So it looked like I was 100% ready to submit the order. Now I went back to the new Synthetic Marauder page and waited for 12 noon to come so I could add it to my cart. Once added I then went to my cart deleted the Disco (sure did not need 2 guns) and submitted the order.
Four days later the Marauder arrived and I could not open the box fast enough and the 1st thing I checked was the serial #. When I found the serial E I said WOW NUMBER 1!!!! I would have been happy with any single # serial number but I was sure smiling when I saw the #1.
A little strategy always helps when doing most things.
Norm
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Lloyd basically Crosman announced they were going to sell the 1st 100 .25 caliber Synthetic Marauders made at 12:00 Noon on a certain date (I cannot remember the date) in November.
So on that date at about 11:30 AM I went to Crosman's website and checked out the new Synthetic Marauders and they were on a countdown to the start of the sale. So I scratched my head to think of a way to get #1 and came up with a plan that I was not sure would work. So I tested the plan on two other items and it sure looked like my strategic plan would work.
So I added a Disco to my Cart then went to my cart and filled out all my info (name, address, phone # etc.) and credit card info, which is the most time consuming part of the checkout process. So it looked like I was 100% ready to submit the order. Now I went back to the new Synthetic Marauder page and waited for 12 noon to come so I could add it to my cart. Once added I then went to my cart deleted the Disco (sure did not need 2 guns) and submitted the order.
Four days later the Marauder arrived and I could not open the box fast enough and the 1st thing I checked was the serial #. When I found the serial E I said WOW NUMBER 1!!!! I would have been happy with any single # serial number but I was sure smiling when I saw the #1.
A little strategy always helps when doing most things.
Norm
This makes me feel almost normal. A little strategery goes a long ways, and I thought I over did things... Kudos to you good sir!! 8)
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Norm, Great that the planning paid off!
Lloyd
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I did a test to compared the FPE difference by just changing the pellet weight
I tethered the gun to my scuba tank. The pressure on the thank was 2350-2400. I figure I kept the pressure constant and took the average of 8 shots on each pellet. I figured it would give a good reference. It would have been nice if the tank had the pressure at 2600-2700 psi. This is close to the peak of my shot string anyway.
JSB Kings 25.4g @ 903 FPE 46
HN Cudas 31.02g @ 846 FPE 49.3
If I remember correctly (I could not find my notes on the pellets test) when the gun was stock I only got a 2fpe gain between the pellets. But I'm not positive on this.
It is a shame that the Cudas don't group well. Group I got was around 1.5 in compared to .5in with the JSBs. It might be acceptable for hunting. Also the gun in quieter with the cudas
It is actually shooting a little faster than what my chart above but off by 4 fps :D. If I assume that they are using the same amount of air, the efficiency on at that psi would go up from 1.453 to 1.558. This is a rough estimate but it should be some what close to that.
If I assume that the increase of speed is linear between the two pellets, My gun with the current set up maxes out at 975 with the JSBs (53.6FPE) then the Cudas should somewhere around 910fps which will mean 56.9 FPE. not bad with the size ports that I have.
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Very nice performance for the PSI you were shooting at.
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I decided to power down to average of about 880 FPS with Kings. The results were not as good. Here are the numbers I got. My efficiency went down and the shot count is the same as at the higher power level. I also did some accuracy testing through out the different pressures and found that the shots down from 1200 psi a very bad shots. It almost looks like the pellet tumble all the way down range even though the speed is good out the muzzle. I wonder if all the extra air creates turbulence for the pellet. This is not as pronounced on the high power setting by it still happens. For best accuracy, I'm filling to 3000 psi and the shooting 2 mags. I Can shot and extra one but the last 2 or 3 shots are not as good.
(http://farm4.staticflickr.com/3769/12003638925_9f8ef1c15a_o.jpg)
This is just a picture of a pellet Shot from 40 yards at about 45fpe. It hit a 1/16 steel plate. The plate got a nice dent. I like how you can see the rifling on the skirt and the expanded head.
(http://farm4.staticflickr.com/3746/12000036785_4973eb73c7.jpg)
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Wow. Impressive stuff
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I was just before buying a Rainstorm but after reading this I'm seriously considering a Synrod.... 50+ FPE is awesome!
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I repentantly had a discussing in the korean gate about this. I was glad I chose the mrod. I was not surprise on the groups it generated and the vertical elevation. One of the this that the crosman guns are great for are if you like to make modifications. That its he case for me, the part are relative in expensive. I'm very happy with my turn out.
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Interesting. From your earlier stats, I would have thought if you brought the power down a little, could get a nice flat 4 mag string.
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I would have thought the same thing. I'm going to power it up and see what happens.
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I went through 3 factory valves (I kept stripping the velocity port screw) before I installed my custom valve. My last factory was unusual for a factory valve in that in let me get up to 60fpe with Eunjins for a full clip. The odd thing about it is that if I turned the power down I still got roughly the same air usage per shot even if I turned the power down to 40fpe. My custom valve is similar in that regard. My efficiency goes down dramatically if I detune it. Lots of air gets wasted per shot. I'm better off jacking my power to max and enjoying 8-10 shots above 70fpe than 10-12 shots at 60fpe for the same air usage. I've tried both heavy and light springs as well as oring buffers. The efficiency stays pretty consistent. I can expect .8 thereabouts for 40-50fpe, 1.1-1.2 for 60fpe, and .9-.98 for 70fpe. It looks like every valve has a sweet spot for efficiency. Yours appears to be 50fpe.
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A small update:
I ordered from MSC a new spring that is about 12.5# instead of the 10# spring. I was looking to use less preload.
I tune the gun to 16 shots with JSB kings (I get more that by i wanted s tight spread).
Fill pressure 3000 psi
End pressure 2400 psi
high: 905
low: 893
Spread: 12 (1.3% spread)
SD: 3
Average Speed: 900
Average FPE: 45.7
Efficiency: 1.35
Here is a relative picture of accuracy. There are about 75 shots in those holes maybe more. All shot from 40 yards and I have not zeroed the scope or was shooting carefully either. They are also shot at all kinds of different speeds ranging from 930 to 850 fps. This is just crony work aim roughly to the center and a quick shot. ;D
(http://farm8.staticflickr.com/7456/12239922156_818015507f.jpg)
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Update on accuracy:
I had a very frustrating day today gut it ended up well. I started sighting in my scope and found that my POI kept changing. So I started shooting without make adjustment to the scope. I found that I had had two ½ in groups through the shots string which made in impossible to zero the scope. Finally after tons of pellets I brought out the crony. I though the different POIs where caused by different air pressures but soon found out that that was not the case. I found that all shots over 897-895 would shot high to the left and all shots under those numbers would shot low to the right. Both sets grouping very well. Then I incrust the power of the 16 shot string to 920-910 and that did it all shots on the same POI.
I have never experience this before and wonder if any one here has. I can't see the pellet path to see if the pellets are spiraling at certain power levels. I thought my hawke eclipse was had broken but that was not the case.
Tomorrow I'll be doing some more accuracy test. I'm not posting any pictures yet because you will see my frustration on the paper.
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So once I sorted out the accuracy problem, I decided to increase the power to Average of 911 fps with kings. I'm using a 12.5# spring with 2.5 turns of preload here are the results. The gun is much louder and my efficiency went down a lot but I don't really care too much about that it is a hunting gun. Getting 16 shots at 2% spread is mostly my goal.
Here are the numbers for the KINGs. Average: 912 fps : 46.9 fpe
(http://farm3.staticflickr.com/2825/12271811163_88ce4a5b84_b.jpg)
Then I tried at the same Setting with HN cudas 31g Average: 839 fps : 48.5 fpe
(http://farm8.staticflickr.com/7457/12271811003_c82a45af99_b.jpg)
Also did Shot the cudas at maximum power with my current set up. The results where a high of 925fps at 2800psi that would equal to 58.9 FPE. I could easily reach 60 fpe by just increasing the t port and barrel port size or by adding a little more hammer. My porting is still conservative.
I'm not sure if the lost of efficiency was do to the combination of the heavier spring and increase power. I it is surprising how much louder the gun in from 895 setting to 910 which is the biggest sign of wasted air. I could have reduced the power but my curve gets larger. I'll be happy when my LCD comes in.
Now for accuracy:
All groups from 40 yards.
This would be my average group of 5 with the magazine: (never mind the shots on the upper left Those where the cudas. They do not group as well)
(http://farm6.staticflickr.com/5522/12271498914_5bf2e75541_n.jpg)
One of the better groups of 5 with one flyer with the magazine
(http://farm8.staticflickr.com/7399/12271505804_569a0fcc99_n.jpg)
This is my best group so far this is a group of 3 @ 40 yards. I did not shot more because I did not want to mess it up.
(http://farm4.staticflickr.com/3794/12271488194_9658e9eccf_n.jpg)
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Sweet
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Looks good. what type of fome did you use? How does it effect the feel. I was thinking about the wood stock. what made you go with the synth?
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wish I had the knowledge to mod my guns, would need a drill press also.
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So once I sorted out the accuracy problem, I decided to increase the power to Average of 911 fps with kings.
This is my best group so far this is a group of 3 @ 40 yards. I did not shot more because I did not want to mess it up.
(http://farm4.staticflickr.com/3794/12271488194_9658e9eccf_n.jpg)
;) ;D Coward a brave man would have gone for a 5 or 10 shot group ;D ;D ;D
Really nice shooting
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Great thread. New MROD owner here, used one, stock supposedly. I'm diving in and trying to learn as much as I can. I've got about 100 shots through her and can tell it's an air hog and that the trigger is mushy in the second stage. Gonna play with her for a while and then work to tighten her up. Thanks for all the info!
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Robert, have you shot the King heavy with this tune yet, and if so, what was the fps and accuracy?