Description

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