Ballistic Advantage AR-15 Barrel – .300 AAC Blackout (7.62x35mm), 1:7 Twist, Stainless Steel
This Ballistic Advantage AR-15 barrel is chambered in .300 AAC Blackout (7.62x35mm) and marked with a 1:7 twist rate. Stainless steel construction and a threaded muzzle make it a solid foundation for a dedicated .300 BLK upper.
The barrel is marked "300 BLK 1/7 SS" for quick caliber and twist identification.