CMMG

The RESOLUTE 100 5.7x28mm upper receiver has a 16.1-inch barrel and features CMMGs patented Radial Delayed Blowback operating system. The receiver and hand guard are hard coat anodized and come with a pre-installed CMMG mil-spec charging handle A2 Compensator and a CMMG RML15 M-LOK Hand Guard. - TECH SPECS: - CALIBER: 5.7x28mm - BARREL: 16.1 1:9 Twist Medium Taper 416SS - MUZZLE: A2 Comp threaded 1/2-28 - GAS PORT LOCATION: N/A - RECEIVER: Forged 7075-T6 AL M4 type upper - HAND GUARD: CMMG RML15 M-Lok hand guard - FINISH: Hard Coat Anodized Receivers and Hand Guard (Can be upgraded to Cerakote) - CHARGING HANDLE: CMMG Mil-Spec - WEIGHT: 4lbs 5oz - LENGTH: 25.2