Aero Precision AR-15 Bolt Carrier Group Phosphate

This high quality bolt carrier group is a valuable addition to your AR15 build.

Features:

• M16-cut carrier

• Machined from 8620 steel

• Carrier has forward assist serrations

• Mil-Spec phosphate coating

• Properly staked gas key

• Chrome lined gas key and bolt channel

• 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