Proof Research AR-Style Barrel 300 Blackout 16" Carbine Length Carbon Fiber Wrapped - 100561

This is a rifled AR-15 compatible barrel chambered in 300 AAC Blackout with a 16" carbine length gas system and 1:8" twist rate. The barrel features carbon fiber wrapping for weight reduction and heat dissipation, with a 5/8x24 threaded muzzle and direct impingement gas system compatibility.