Diamondback 556P55H50B8R OEM Replacement 5.56X45mm Nato 5.50" Pistol-Length Black Nitride 4150 Chrome Moly Vanadium Steel Replace Your Barrel, Or Finish Your Build With This 5.50" Black Nitride Barrel From Diamondback! Made Of 4150 CMV With a Pistol-Length Gas System. Length: 5.50" Model: OEM Replacement Twist: 1:8" Finish: Nitride Barrel Type: Pistol Length Heavy Profile
