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GM-M10 16" 7.62 x 39 mm AR Barrel 1:9.5

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Product Description

7.62 x 39mm, 1:9.5 twist, 16", 4150 steel, weighs 1.65 lbs.,  M4  Barrel with extension, chrome line bore and chamber, phosphate finish, button rifled, stress relieved, drilled gas port, .750" gas block, designed for carbine length gas system, 5/8-24 muzzle thread. 

Barrel is not pinned for front site.

Under "See 1 more picture" there is a detailed drawing of this barrel.

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Product Reviews

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  1. Best money I've spent in a while even though I missed the sale! 5 Star Review

    Posted by on 5th Jul 2017

    Built the upper with the GM barrel and a BCG that was recommended and 10 round ASC mags. The AR shot unbelievable considering I was using Wolf, PPU and old TCW ammo. I was too much fun to describe having the AR shoot so well right at the start. I love the chrome lining so I don't have to clean as often. Really nice barrel!

  2. A solid barrel for anyone's home build 5 Star Review

    Posted by on 30th Jan 2017

    This is my third Greenmountain barrel and my second 7.62 x 39 barrel, my barrels arrived on time carefully packaged to prevent damage ,the workmanship is very good quality the barrel Feed ramps works flawlessly and it shoots very accurately . The barrel cleans up easily, what more can a man ask for in a barrel?

  3. fast shipping, great customer service 4 Star Review

    Posted by on 8th Sep 2016

    Bottom line.. Thay make a great barrel . Watch the Sale banner , I would give it 5 stars but it went on sale the day I received it in the mailbox .

  4. Best Barrel of its Kind 5 Star Review

    Posted by on 15th Jul 2016

    This is a high quality barrel, perhaps the best of its kind. Shooting Tula and Red Army Standard steel-cased ammo, I was able to consistently achieve 2 MOA groups at 50 yards with Magpul MBUS sites shooting without a rest. Groups opened up a bit a 100 yards, but the barrel is certainly more accurate than I am. I'm planning to add a Leupold VX-2 3-9x scope and I'm confident it will be a tack driver based on what I've seen so far. The feed ramps where perfectly cut with no need to modify them for the 7.62x39 rounds. Paired with a Black Rifle Arms BCG and ASC magazines, my rifle runs flawlessly. I am very happy with this product. Please note however that my barrel was not dimpled for the gas block. However, it was no big deal to fix that with a drill, guide, and vice.

  5. Best for a AR 47 Build 5 Star Review

    Posted by on 28th May 2016

    This is the one you want to build one of these uppers. Top notch all the way around. Only chrome lined barrel i know of, i did not want the nitrided barrels. The military uses chrome lined that is the way for me. You definitely get what you pay for. Thanks Green Mountain for offering this.

Previous | Showing reviews 6-10 of 29 | Next