AR-15 BOLT CARRIER GROUP 6.5 GRENDEL

Features: 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 Carpenter 158 tool steel Shot peened HPT tested/MPI marked Black o-ring insert on extractor High quality BCG SPECS Specs Made In America? Yes Platform AR15 Bolt Material 9310 Steel Carrier Material 8620 Steel Weight(s) 11.52 oz Other Features -