Resolute 300 MK4 Upper Features CMMG’s RESOLUTE lineup is engineered with purpose for those who refuse to compromise on quality. Each RESOLUTE rifle comes with a 16″ barrel and is designed for balance, accuracy, and maneuverability. RESOLUTE 300 series uppers feature the following: SV muzzle brake, RML15 M-Lok handguard., SBN barrel and Ambidextrous charging handle. Resolute 300 MK4 Upper Specifications Caliber: 350 Legend Model: Resolute 300 Series: MK4 Barrel Length Range: 16″ to 16.99″ Sights: None, Optic Ready Handguard Finish: Black Hard Coat Anodized Handguards: 15″ CMMG RML M-LOK Includes: Complete Bolt Receiver Finish: Black Hard Coat Anodized Receiver Material: 7075 T6 Aluminum Twist: 1:16″ Barrel Description: Medium Taper Barrel Finish: Black Nitride Barrel Material: 4150 Chrome Moly Vanadium Steel Barrel Length: 16.10″
New in Box
Finish Per Color
Manufacturer Part Number
Resolute 300 MK4 Upper
The CMMG Resolute 300 MK4 Upper offers a reliable and lightweight finish to an AR-style build. It comes chambered in .350 Legend with a 16.1 inch barrel. Features include an optics ready flat-top, an M-LOK handguard, and a complete BCG. Get this upper for the best price online from GrabAGun today!