Description Additional Information M4 / AR Castle Nut, Receiver Extension (Buffer Tube) castle nut. Matte black finish. Manufacturer Part Number: 55CA9CB Sub Category: Castle Nuts Color: Black
BRAVO COMPANY USA BCM M4 UPPER RECEIVER ASSEMBLY (W/ LASER T-MARKINGS) MSRP: MSRP: Sale: $149.00 Add to Cart