Proof Research PR10 .308 Winchester AR-10 Barrel - Pistol Length - 14.5" - Carbon Fiber

Ballistic Advantage Premium Series, Barrel, 308 Winchester, 16 in, Hanson Profile, Mid Length Gas System, Fits AR10, QPQ Corrosion Resistant Finish, Black BABL308019P

TacFire AR-10 Mid-Length Gas .308 / 7.62x51 1:10 4150 Nitride Barrel - 18"

Proof Research Carbon Fiber Barrel 308 Win 16 Inch AR Compatible 10 Twist

Proof Research 137550 Elevation 2.0 300 PRC 3+1 22" Carbon Fiber Match Grade Threaded Barrel, Picatinny Rail Receiver, Black Granite Fixed Carbon Fiber Stock,

DMA Inc. XTS AR-15 Pistol-Length Gas .300 Blackout 1:8 4150 CMV Barrel - 10.5"

CHRISTENSEN ARMS BA Tactical 308 Win 20" 4rd Bolt Rifle w/ Threaded Carbon Fiber Barrel - Black

DMA Inc. XTS AR-15 Pistol-Length Gas .300 Blackout 1:8 4150 CMV Barrel - 16.5"