Black Nitride Bolt Carrier Group BCG with MPI Bolt Specifications for JL Billet Complete Bolt Carrier Group (BCG), 5.56: Manufacturer: JL Billet Color: Black Finish: Black Nitride Fabric/Material: Carpenter 158 Steel Gun Model: AR-15 Weight: 1 lb Bolt Material: Steel Carrier Material: 8620 Steel Country of Origin: USA Features of JL Billet Complete Bolt Carrier Group BCG, 5.56 MPI Bolt (Magnetic Particle Inspected) Carpenter 158 steel bolt (Black Nitride) Shot peened firing pin Grade 8 hardened fasteners 8620 heat treated carrier, polished w/black nitride coating Key staked per Mil-Spec Package Contents: JL Billet Complete Bolt Carrier Group, 5.56
JL Billet Complete Bolt Carrier Group (BCG), 5.56
$113.40
Available on backorder
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