Aero Precision 308 BCGs - Black Nitride, Nickel Boron & Phosphate

Aero Precision is a leader in AR parts manufacturing and this Bolt Carrier Group is one of the best!

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, 6.5 Creedmoor, .338 Federal and other .308 based cartridges.

Also see these popular finishes:

Aero Precision 308 BCG Nickel Boron
https://www.spicetac.com/aero-precision-nickel-boron-bcg-308/

Aero Precision 308 BCG Phosphate
https://www.spicetac.com/aero-precision-phosphate-bcg-308/