SPECIFICATIONS: Caliber: MULTI Model: BCM4 Stock: BCM Mod 2 SOPMOD Fire Control: PNT Semi Auto Rear Sling Mounts: QTY 3 Receiver Extension: Mk2 Receiver Extension (approximately 3/4" longer than carbine), 7076T6, 8 position, Mil-Spec diameter Buffer Type: MK2 Mod 1 - T0 Buffer (weight = approximately 3.8oz) Pistol Grip: BCM Mod 4 Trigger Guard: BCM Enhanced BCM Included Upgrades: BCM PNT(TM) Trigger (Polished Nickel Teflon) BCM QD Sling Mount End Plate BCM Pistol Grip Mod 4 BCM Stock Mod 2 SOPMOD BCM Enhanced Trigger Guard BCM MK2 RMS (Recoil Mitigation System) BCM Lower Rece Mfg: Bravo Company