BCG-NiT556 : BCG COMPLETE NITRIDE/MELONITE FINISH

Bolt carrier group includes:
 
Bolt assembly complete
M16 style carrier w/ properly staked gas key
Compatible w/ both semi/full auto configurations
Contains V Seven improved cam pin, chrome finished firing pin, firing pin retaining pin
Weighs approx. 11.7 oz
 
Ar-15/m16 bolt
 
Constructed from 9310 alloy
For 5.56/.223/300 blkout
Mpi/hpt tested for quality
Black o-ring installed
Finish is nickel boron
 
Carrier
 
Constructed from 8620 alloy
Finish is black melonite
100% mpi tested