AERO Precision Black Nitride Bolt Carrier Group

AERO Precision Black Nitride Bolt Carrier Group | BCGA high-quality BCG that is properly staked and has no obtuse machine marks. This will make a great addition to your build.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 the extractor High-quality BCG