Proof Research 100561 AR-Style Barrel is up to 64% lighter than traditional steel barrels of similar contour. Improved heat dissipation for cooler and longer lasting barrels. Wrapped with high-strength aerospace-grade carbon fiber impregnated with a proprietary matrix resin.
Caliber: .300 AAC Blackout (300 Blackout)
Barrel Length: 16 inches
Gas System: Carbine
Twist: 1:8
Threads: 5/8-24
Contour/Journal: Medium / .750
Barrel Finish: Carbon Fiber
Barrel Bore Type: Rifled
Barrel Fluting: No
Weight: 1.60 Lbs
AR-15 firearm fit