Our .308 / 7.62 Bolt Carrier Group is the perfect firing mechanism for your big-bore rifle build. This high quality BCG features a Black Nitride finish, is MPI/HPT and now includes a laser engraved Aero Precision "A" logo!
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 Key: 4130 Steel attached with Grade 8 hardware and properly staked
Firing Pin: Machined from 8740 steel and hard chrome coated
Forward Assist serrations
Laser engraved Aero Precision logo
Carrier fits DPMS compatible style AR Rifles
Material: Case Hardened 9310 Steel
Finish: All bolt components are shot peened and black nitride coated
Extractor: Machined from 4340 Steel with double o-rings and double springs
Magnetic Particle Inspected and High Pressure Tested
High pressure bolt - external surfaces are CNC ground after heat treat for a precision fit and firing pin hole diameter is reduced to .070"
Multi-caliber bolt designed to function with .308, 7.62x51, 6.5 Creedmoor, .338 Federal and other .308 based cartridges.