Description
Aero Precision .308 / 7.62 Bolt Carrier Group Complete – PhosphaterThe Aero Precision .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!rCarrier Features:rrMachined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)rFinish: Mil-spec Phosphate coatingrGas Key: 4130 Steel attached with Grade 8 hardware and properly stakedrFiring Pin: Machined from 8740 steel and hard chrome coatedrForward Assist serrationsrLaser engraved Aero Precision logorCarrier fits AR .308 compatible style AR Uppers and RiflesrrBolt Features:rrMaterial: Case Hardened 9310 SteelrFinish: All bolt components are shot peened and phosphate coatedrExtractor: Machined from 4340 Steel with double o-rings and double springsrMagnetic Particle Inspected and High Pressure TestedrHigh pressure bolt – external surfaces are CNC ground after heat treat for a precision fit and firing pin hole diameter is reduced to .070″rMulti-caliber bolt designed to function with .308, 7.62×51, .338 Federal and other .308 based cartridges.rrBCG Includes:rrBolt carrierrComplete boltrFiring pinrCam pinrRetaining pin
