AR10 7.62 / .308 Bolt Carrier Group

The Aero Precision 7.62 / .308 Bolt Carrier Group is a durable and high quality firing mechanism for your AR10 build. The black nitride finish helps reduce friction and minimizes the need for lubricants and cleaning. External surfaces are CNC ground after heat treat for a precision fit and the firing pin hole diameter is reduced to .070″. The Aero Precision 7.62 / .308 Bolt Carrier Group is the perfect addition to your AR10 build.

• Black nitride finish.
• Forward assist serrations.
• Properly staked gas key.
• Shot peened.
• MPI & HPT (Magnetic Particle Inspected, High Pressure Tested).
• Multi-caliber bolt designed to function with .308, 7.62×51, .338 Federal and other .308 based cartridges.
• High pressure bolt – external surfaces are CNC ground after heat treat for a precision fit and firing pin hole diameter is reduced to .070″.
• Extractor machined from 4340 Steel with double o-rings and double springs.
• Gas key is 4130 steel attached with Grade 8 hardware and properly staked.