AERO PRECISION AR10 308 Win. Nickel Boron Bolt Carrier Group (APRH100185)

Carrier Features: Material: Billet carrier machined from 8620 steel and case hardened; Finish: Black Nitride - advanced lower friction coating that minimizes the need for lubricants and cleaning; Gas...

Machined from 8620 Tool Steel (Carrier) and 9310 Carpenter Steel (Bolt)Shrouded firing pinNickel Boron Coating inside and out (Bolt, Carrier, and Gas Key)Forged Mil-Spec gas key attached with Grade 8...

Carrier Features: Material: Billet carrier machined from 8620 steel and case hardened; Finish: Black NitrideBolt Features: Material: Case Hardened 9310 Steel; Finish: All bolt components are shot...

Weight 18.1ozForward Porting, Enlarged VentsBalanced flared boss8620 Carrier, Heat Treated, Hard TurnedMPI 9310 Bolt, Hard Turned / GroundNiB UCT EXO CoatingCP-R360-H Domed Cam Pin<

Machined from 8620 Tool Steel (Carrier) and 158 Carpenter Steel (Bolt)Shrouded firing pinNickel Boron Coating inside and out (Bolt, Carrier, and Gas Key)Forged Mil-Spec gas key attached with Grade 8...