14.5 4150CM Nitride-Coated Barrel (1:8 Twist) – .750 Mid-Length Gas System – Diamond-Honed Nitride M16 BCG (6.5 Grendel Bolt Face) – APF 4.5 lb. Drop-In Trigger – APF Adjustable Gas Block – SBA3 Pistol Brace – Magpul MOE Grip – APF 13 M-Lok Handguard – Billet Receiver Set – Ambidextrous Controls – Caliber/ Gauge: 6.5 Grendel – Barrel Length: 14.5 4150CM Nitride- Coated Barrel (1:8 Twist) – Action: Semi-Auto – Front Sight: Rear Sight: None – Color: Stealth Gray – Finish: Cerakote – Material: Aluminum – Hand: Right