4-6 WEEKS DELIVERY
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), 1:7" twist for super or sub-sonic use. It comes ready for silencer use, threaded 5/8-24. Includes gas tube, steel low-profile press-fit set screw gas block (barrel has set-screw divots for gas block alignment).
Caliber: 300 AAC Blackout™ (7.62 x 35mm)
Length: 9”, 12.5" and 16"
Finish: Black Nitride
Materials: 4150 Steel
Requires barrel nut, gunsmith installation is recommended.