AERO AR15 6.5GREN BCG W/9310 BLK

This high quality bolt carrier group is a valuable addition to your 6.5 Grendel/6mm ARC build.

M16-cut carrier
Machined from 8620 steel
Type 2 Bolt Face (.136)
Carrier has forward assist serrations
Black Nitride Finish – advanced lower friction coating that minimizes the need for lubricants and cleaning
Properly staked gas key
6.5 Grendel Bolt is machined from 9310 tool steel
Shot peened
HPT tested/MPI marked
Black o-ring insert on extractor
High quality BCG