16" 7.62x39 Black Rifle Arms Mid-Length 4150 Nitrided Barrel

A: No it is not dimpled.

A: Gas Port Size for the 7.62x39 Mid Length barrel is .104"

A: If you have a traditional A2 front sight that needs to be pin and welded then no our barrel is not a good fit. If it's one like a JP Enterprises JPGS-2FS then it should be a good fit and shouldn't need any modifications.

A: A 7.62x39 mid-length barrel should function fine with an A2 buffer system if you have mil-spec components and you are not losing gas pressure via gas block or within the bolt carrier. Some bolt carriers on the market are not to mil-spec as they are not doing the hard-turn grind after heat treatment to make internals concentric which allows gas leakage around the bolt assembly rings. As long as you have mil-spec components you should be fine.

A: There should be no issues with headspacing, but we do recommend all bolts and barrels regardless of the caliber to be headspaced by the end user.

A: Using an SA piston setup with a 7.62x39 mid-length gas setup will never run reliably and we don't see it running reliably on the 11.5" 7.62x39 setup either due to the length of the barrel and considering dwell time, etc.

A: Melonite finish is not glossy, that glossy look in the picture is from oils and lighting. Melonite is more of a slight sheen but not matte like a phosphate coating.

A: Either a carbine or a mid-length will work fine with this setup.

A: No they are not.

A: Yes, the 7.62x39 barrels require a true .125" bolt.