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GM-M10 7.62 x 39 mm 16" M4 Barrel Chromed and Phosphated 1:10

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Product Description

7.62 x 39mm 16" M4  Barrel with extension, chromed bore and chamber, phosphate finish, button rifled, thermo 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. Weighs 1.65 lbs.

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

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Product Reviews

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  1. 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 .

  2. 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.

  3. 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.

  4. Nice fit and finish 4 Star Review

    Posted by on 13th Apr 2016

    This barrel fit nicely into the upper and has a nice finish. Gas hole is drilled correctly . I cannot really speak for the accuracy as I have only shot cheap ammo through it.

  5. Speechless 5 Star Review

    Posted by on 29th Feb 2016

    I threw together my first x39 upper with this barrel in about an hour after all parts recieved. Thumps out cheap steel cased at 1-2 moa scoped, Hornady SST at just about 1moa. Sure my .223 ar's will go 1/2 moa...at over a buck a round. This goes thuddy thuddy on steel all day for about a quarter. Groups hardly effected by heat, this barrel is g2g, no fear of giving it some hard service. I have a feeling it will remain accurate and be hard to kill. Good stuff.

Previous | Showing reviews 6-10 of 27 | Next