High Polished Titanium Nitride (TiN) 5.56 AR-15 Bolt Carrier Group (BCG)

High Polished Titanium Nitride (TiN) 5.56 AR-15 Bolt Carrier Group (BCG)
Product Specs:

Enhanced 9310 Steel (Bolt)
8620 Tool Steel (Carrier)
Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
Tool Steel Extractor
Shrouded Firing Pin
Mil-Spec Gas Key (4130 Steel) attached with Grade 8 hardware and Properly staked
Caliber: .223 / 5.56 / 300 Blackout
Bolt is shot peened and MPI
All BCG components pre-polished before being processed and then post polished!
100% Made in the USA!