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- MILITARY BARRELS
- AR-15 / M16 / M4 Rifle Barrels
- GM-M21 16" 9MM barrel with a 1:10 twist
GM-M21 16" 9MM barrel with a 1:10 twist
Product Description
9MM, 1:10 twist, 16" long, 41V50 steel, weighs 1.55 lbs., black nitride barrel, Full Auto chamber, button rifled, air gauged, stress relieved, threading is 1/2 x 36.
Barrel is not pinned for front site base or hand guards.
Under "See 1 more picture" there is a detailed drawing of this barrel.
Product Reviews
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Great after sight in
Posted by Adam on 17th Dec 2018
I bought this during the Black Friday sale. I haven't done any extensive testing on it, but since pistol barrels tend to last forever, I'm not too worried.
It is shooting a 3" group at 50 yards with plated bullets and no accuracy testing. It also will feed TC bullets, which is a plus over a barrel that needs round nose bullets to feed. The rifling looks clean and the finish is clean and evenly applied. Couldn't be happier.
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Great barrel.
Posted by Unknown on 17th Feb 2016
Purchased the barrel to build a suppressed 9mm AR. Barrels proved to be accurate and we'll made. I am becoming a fan of Green Mountain barrels having bought quite a few of them.
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9mm barrel
Posted by Unknown on 5th Jan 2016
very nice quality barrel
good groups 147gr rn
16" barrel with linear muzzle brake sounds like a 22lr
love it
nice tight fit
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good barrel
Posted by Rick on 13th Dec 2015
Overall quality is excellent, got some very good groupings with 125gr JHP slugs, wish they did a 10" barrel for a pistol build. But would buy again
