AERO PRECISION APRH308186 .308 BCG BLACK NITRIDE

AERO PRECISION APRH308186 .308 BCG BLACK NITRIDE

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, 7.62×51, .338 Federal and other .308 based cartridges.

BCG Includes:

  • Bolt carrier
  • Complete bolt
  • Firing pin
  • Cam pin
  • Retaining pin

SPECS:

Made In America? Yes
Platform M5
Bolt Material 9310 Steel
Carrier Material 8620 Steel
Weight(s) 18.24 oz

 

AERO PRECISION APRH308186 .308 BCG BLACK NITRIDE