Combat Armory Complete Bolt Carrier Group 556/223Rem Nitride

Description:

•       Durability
•       Lubricity
•       Corrosive Resistance
•       Carbon Resistance
•       Extreme Metal hardness 85-90 Rockwell
•       No Cheap MIM Parts

Caliber / Gauge .223/.223 Wylde/300acc blackout/5.56 NATO
Carrier Style mil-spec
Platform AR15 
Bolt Finish Black Nitride
Bolt Material 9310 Steel 
Carrier Finish Black Nitride
Gas Key Staked 
Magnetic Particle Inspection Yes