CMMG

The CMMG Resolute Mk4 57X28MM is one answer to the high demand for personal defense weapons chambered in 5.7X28mm. Built on the Mk4/AR15 platform, this Resolute model uses CMMG’s new generation of 5.7 magazines that fit standard AR15 Magwells for maximum modularity. Shooters have a choice of seven Cerakote colors to choose from on the Resolute Mk4 57X28mm firearm.

• Action: Semi-Auto
• Caliber: 5.7x28mm
• Capacity: 40 + 1
• Magazines: One
• Barrel length: 16.1"
• Twist: 1:9"
• Barrel Material: 4140 CM, SBN
• Thread Pattern: 1/2x28 tpi
• Upper Receiver: Billet 6061 T6 Aluminum
• Lower Receiver: MK4 Forged 7075 T6
• Trigger: Mil-Spec Single Stage
• Handguard: CMMG EML15 M-Lok
• Charging Handle: CMMG Zeroed Ambi
• Pistol Grip: Cmmg Zeroed Pistol Grip
• Stock: Cmmg Ripstock
• Weight: 6.4 lbs
• Color: FDE