• Is a 'Call to order' product.

1. Aero Precision's .308/7.62 Bolt Carrier Group features a Black Nitride finish or optional Nickel Boron, with a laser engraved Aero logo and is made from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt).
2. The BCG is compatible with AR .308 style uppers and rifles, includes a high pressure bolt, and is designed to function with multiple .308 based cartridges.
3. Key components such as the Gas Key and Extractor are made from high-grade materials and the entire assembly is MPI/HPT for reliability.

Aero Precision’s .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. If you’re looking something a little different, thisbolt carrier group also comes in nickel boron! Black Bolt Carrier Group: 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 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. Bolt carrier Complete bolt Firing pin Cam pin Retaining pin   Nickel Boron Bolt Carrier Group: No Aero 'A' Logo Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt) Nickel Boron coated Bolt is machined from 9310 steel MPI Forward Assist serrations Bolt carrier Complete bolt Firing pin Cam pin Retaining pin Compatible with LR-308, SR25 and DPMS Pattern