BCA's Bolt carrier groups come MPI inspected. Perfect for your next 5.56/.223/.300BLK AR-15/ M16 build.

Specifications:

Brand Bear Creek Arsenal
Caliber / Gauge .223/5.56
Carrier Style Standard
Platform AR-15 
Bolt Finish Parkerized 
Bolt Material 9310 Steel 
Carrier Finish Black Nitride
Gas Key Staked 
Magnetic Particle Inspection Yes

$69.99