Parts

Ballistic Advantage Premium Series, Hanson Profile Barrel, 6.5 Grendel, Fits AR15, 12.5″ Threaded Barrel, 1/2×28 Thread Pitch, 1:8″ Barrel Twist, Carbine Length Gas System, Stainless Matte Finish, Silver, Included Low Profile Gas Block BABL65G001P

LBE Unlimited Cold Hammer Forged, Barrel, 556NATO, 12.5″, 1:7 Twist, Mid-Length, Fits AR-15, Melonite Finish, Black BAR125M

Rosco Manufacturing Bloodline, 12.5″ Barrel, 556NATO, Melonite, Includes Gas Block, Gas Tube and BCG, Government Profile SP-BL-125-556-BCG-GTC-NGB-001

Rosco Manufacturing K9, Saucepack, Barrel, 556NATO, 12.5″, Patrol Length Gas Length, Fits AR-15, Nitride Finish, Black, Includes Bolt Carrier Group, Gas Tube, Non Adjustable Gas Block SP-K9-125-556-BCG-GTS-NGB-001

Sons of Liberty Gun Works Combat, V2 Profile, Barrel, 12.5″ Barrel, 556NATO, Threaded 1/2×28, Carbine Length Gas System, Fits AR-15, QPQ Finish, Black 12-5COMBATV2-CHF-556