Aero Precision 5.56 Black Nitride Bolt Carrier Group

Made in America



The Aero Precision 5.56 Black Nitride Bolt Carrier Group – keep the classic appearance of the AR15 with the benefit of an advanced low friction coating. Black Nitride coating minimizes the need for lubrication and cleaning. The billet carrier is machined from 8620 steel, case hardened, and features both a properly staked gas key, and forward assist serrations. The bolt is machined from Carpenter 158 steel, case hardened, shot peened, HPT/MPI tested, and designed to function with the .223 family of cartridges. The mil-spec extractor is machined from 4340 steel, with installed o-ring and spring. All of Aero Precision’s Bolt Carrier Groups feature a laser engraved Aero “A” logo. Also available without logo.

Features:

M16-cut carrier

Machined from 8620 steel

Carrier has forward assist serrations

Black Nitride Finish – advanced lower friction coating that minimizes the need for lubricants and cleaning

Properly staked gas key

5.56 Bolt is machined from Carpenter 158 tool steel

Shot peened

HPT tested/MPI marked

Black o-ring insert on extractor

High quality BCG

BCG Includes: