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Building 12.5 Pistol!

2998 Views 62 Replies 10 Participants Last post by  14alot
Decided to build a 12.5 Pistol as something a little easier to carry in a truck or an around the house defense weapon.

Most that I saw at my LGS were expensive and did not have what I really wanted in the build.

I had a Tactical Machine Lower left from 3 I purchased at one time.

Faced the upper EXPO receiver, to get everything as straight as possible, removed about .005 to get square and flat face.

I show a pic of the upper on a flat mill vise with a square, this proves nothing for accuracy of course, but was just curious and in for the education.

Wood Gas Nickel Machine Cylinder
Automotive tire Bicycle part Wood Gas Rim
Bumper Wood Gas Screw Nut
Automotive tire Wood Bumper Automotive exterior Gas
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I have an AR-Stoner Linear Muzzle Brake (more accurately- a flash/sound forwarder) on a 300 BLK, but it's on a 16" barrel. I cannot feel any increase in recoil over the A2 Birdcage that was there previously. I did a fair amount of research on linear compensators/brakes/flash/sound forwarders online before purchasing one, and I can confirm that my experience with it matches the results that others have reported- if there's any increase in recoil it's too small to physically measure.
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Might be like a "magnum" pellet gun, or maybe a CB cap... 😉
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On Sale Now...
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That one is the wrong thread pattern for a 5.56 barrel. Probably a very good choice if you get one with the correct thread pitch.
That's the correct thread pitch for my 300 BLK.
No telling who actually made it.
From what I can find... "AR-STONER™ products are manufactured in the USA in an ISO 9001:2008 registered facility."
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in Valdosta...
Spent a fair bit of time in Quitman, Thomasville, and Moultrie riding horses back in the 70's.
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