BCA's Bolt carrier groups are MPI inspected
Specifications:
Brand: Bear Creek ArsenalCaliber / Gauge: .223 Wylde/5.56 NATO/.300 Blackout/.350 LegendCarrier Style: StandardPlatform: AR-15 Bolt Finish: ParkerizedBolt Material: 9310 Steel Carrier Finish: Black NitrideGas Key: Staked from the side to increase longevity Magnetic Particle Inspection: Yes
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