Aero Precision .308 Black Nitride BCG

DESCRIPTION

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!

Carrier Features:

• Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)

• 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 AR .308 compatible style AR Uppers and Rifles

Bolt Features:

• 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, .338 Federal and other .308 based cartridges.

BCG Includes:

• Bolt carrier

• Complete bolt

• Firing pin

• Cam pin

• Retaining pin