"The CMMG MK4 Rifle is engineered with purpose for those who refuse to compromise quality. Each CMMG MK4 rifle comes with a 16"" barrel and is designed for balance, accuracy, and maneuverability. The CMMG MK4 is equipped with a CMMG ZEROED Pistol Grip, an ejection port cover, and trigger guard to enhance aesthetics and overall functionality. Each MK4 is protected by a rugged Cerakote finish. Whether you're defending your family or looking to bring out your best at the range, the CMMG MK4 keeps going when you need it most. Includes one CMMG magazine. 16.1"" 4140CM medium-taper barrel A2 birdcage flash hider 7075-T6 aluminum upper and lower 15"" M-LOK handguard CMMG ZEROED pistol grip, trigger guard, and ejection port CMMG single-stage mil-spec-style trigger Includes one CMMG magazine"