Mfg Item #: SP-BL-16-556-BCG-GTM-N
Rosco Manufacturing Bloodline, Saucepack, Barrel, 556NATO, 16", Mid Length Gas System, Fits AR-15, Nitride Finish, Black, Includes Bolt Carrier Group, Gas Tube and Non Adjustable Gas Block SP-BL-16-556-BCG-GTM-NGB-001