The all-new BATTLEARMS® Titanium Nitride (TiN) PVD bolt carrier group is perfect for any application. The special titanium nitride coating offers an ultra-hard and low friction surface that provides smooth operation and makes cleaning a breeze. The coating increases hardness, resistance to oxidation, thermal stability and durability.
· M16 Bolt Carrier: 8620 Steel, Heat Treated, Machined from Billet, Final Ground Before Titanium Nitride Coating [TiN PVD GOLD]
· Bolt: 9310 Steel, Heat Treated, Shot Peened, MPI, Black Nitride Finished
· Gas Key: 4140 Steel, Properly Staked, Grade 8 Fasteners, Titanium Nitride Coating [TiN PVD GOLD]
· Firing Pin: 8640 Steel, Hard Chromed Plated
· Cam Pin: 4140 Hardened Steel, Heat Treated, Black Nitride Finished
· Extractor: 4140 Billet Steel, Manganese Phosphate Finished for Positive Grip, Extractor Insert Included, Viton O-Ring Included
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