BCA's Bolt carrier groups are MPI inspected. Perfect for your next 9MM AR-9 build.Specifications:Brand: Bear Creek ArsenalCaliber / Gauge: 9MMCarrier Style: StandardPlatform: AR-9Bolt Finish: ParkerizedBolt Material: 9310 Steel Carrier Finish: Black NitrideGas Key: Staked Magnetic Particle Inspection: YesRight-side charging (Gen2)(patent protected)
