Suppressors Modified my Pocket Rifle with Checkmate QD.

HPLLC

Sergeant
Full Member
Minuteman
Jun 17, 2009
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Wales WI
www.griffinarmament.com
Modified my Pocket rifle- Added a 6" Kidd threaded barrel, Stainless QD coupler, added an overtravel stop to my factory defective Volquartsen T2000, added a butt spacer and raised the buttplate for prone shooting, added a comb raiser (makeshift).

Added rings and bases as the old settup had a Volquartsen cantilever mount and 1/9" twist green mountain barrel. This one is a 1/16 for 40 grain and is garanteed to group under .5" at 50 yards. The old barrel held maybe 1" at 50 with SK plus but a lot of that was probably due to the wrong twist rate and over stabilization.

The Aguila 60 Grain SSS ammo chronoed slow enough that there was no real advantage to using it. 890FPS- it also never was completely reliable, and didn't like to feed from magazines. This modification breathes new life into my pocket rifle, and cost was pretty cheap. The rings and bases were $16 total at Walmart, the barrel my brother gave me, the stock modification cost $18 in hardware from Home Depot and Ace Hardware. I was going to go with Rimfire technologies for the base, but they are backordered for a month. The Weaver mounts were reasonably decent quality for the incredibly low price of less than 50% the cost of the RT base alone. My old TPS rings don't have weaver compatible crossbolts so I couldn't use them.

The old barrel liked SK plus ammo. The Kidd barrel is counterbored at the muzzle 5/8" and that will probably make the suppressor sound better but at the expense of some velocity as that effectively shortens the barrel. I was getting 980FPS with SK + so I'll have to see what this barrel gets for velocity.

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Here it is broken down and folded up. The QD adaptor is salvaged from another build (heat discolored from torch used to remove it from a barrel).

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Re: Modified my Pocket Rifle with Checkmate QD.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: D. Miller</div><div class="ubbcode-body">That has to be the coolest 10/22 I have seen!

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Thanks- My brother has a more traditional 16" fluted Kidd barrel 10/22 in a tactical stock and his is pretty awesome, but these are more handy in that they bring rifle accuracy to a nearly pistol sized package. The only disadvantages are that they aren't as heavy as full size target rifles, so they are a little less stable when shooting for accuracy.

This is my only 10/22- I had a choice between making it rifle length and improving on the "short rifle" concept and I decided to keep it short.

Here's a picture of my brother's 10/22:

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He has the Kidd trigger which is pretty cool and and the gun really looks nice. I guess he's going to upgrade glass soon to S&B.

With the QD suppressor we tested his 10/22 against his CZ 452, prior to the KIDD barrel and trigger (it was Shaw) and even with the stock trigger and Shaw barrel his 10/22 was grouping .875" at 50 yards. compared to .65" or so with the CZ452, so he decided to sell the 452 and upgrade the 10/22. The testing wasn't completely fair because we were shooting 5 shot groups with the 452 and 10's with the 10/22. We haven't gotten back out to test the upgraded guns yet and it's a rainy week here.

I told him to keep the SHAW. .875" is a pretty tight group for 10 rounds at 50, but he thought the Kidd would afford greater accuracy.

The Kidd barrels are pretty beautiful- they are lapped and mirror smooth on the inside, and they are pretty on the outside so they look like they could be seriously great barrels. I wouldn't be surprised if the new barrel could do .45" for ten rounds at 50 with SK plus ammo. We were getting 8-10 Feet Per Second Extreme Spread with SK plus ammo.