BCM LOWER GROUP PISTOL AR-15 5.56MM W/PISTOL RECEIVER EXT.

BCM Multi-caliber receiver (.223 REM/5.56 NATO)
BCM PNT (Polished Nickel Teflon) Trigger
BCM Pistol Grip Mod 3
BCM Trigger Guard
BCM QD Sling Mount End Plate
BCM Receiver Extension