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Our .308 / 7.62 Bolt Carrier Group is the perfect firing mechanism for your big-bore rifle build. This high quality BCG features a mil-spec phosphate finish, is MPI/HPT and now includes a laser engraved Aero Precision 'A' logo!
Carrier Features:
Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)
Finish: Mil-spec Phosphate coating
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 AR .308 compatible style AR Uppers and Rifles
Bolt Features:
Material: Case Hardened 9310 Steel
Finish: All bolt components are shot peened and phosphate 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, .338 Federal and other .308 based cartridges.
BCG Includes:
Bolt carrier
Complete bolt
Firing pin
Cam pin
Retaining pin