Advanced Armament Co AR-15 Barrel Assembly, 300BLK, 1:7, 16″
The Advanced Armament Co AR-15 Barrel Assembly, 300BLK, 1:7, 16″ 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 subsonic use. It comes ready for silencer use, threaded 5/8-24.
- 16″ AR-15 Barrel Assembly
- 1:7 Twist
- Includes Gas Tube and Low-Profile Gas Block
- Threaded 5/8×24
- 4150 Steel
- Matte Black Finish