Advanced Armament .300 BLK AR 16" Barrel
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This barrel assembly is all you need to convert your 5.56mm AR to 300 AAC BLACKOUT (7.62x35mm). The 4150 steel barrel features a black nitride finish (including bore and chamber), 1:8" twist for super- or sub-sonic use. It comes ready for silencer use, threaded 5/8-24.

 Includes thread protector, gas tube, steel low-profile press-fit set screw gas block (barrel has set-screw divots for gas block alignment).

Requires barrel nut, gunsmith installation recommended.

  • Item #: AACBarrel300BLKAR16

Advanced Armament .300 BLK AR 16" Barrel

Price: $389.95
Availability: Out-of-Stock