Aero Precision .308 / 7.62x51mm Complete Bolt Carrier Group - Phosphate - APRH308184C

Aero Precision APRH308184C: .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!

• 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
• The carrier fits AR .308 compatible style AR Uppers and Rifles

• 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 pinhole diameter is reduced to .070"
• Multi-caliber bolt designed to function with .308, 7.62x51, .338 Federal and other .308 based cartridges