The RESOLUTE 100 5.7x28mm upper receiver has a 16.1-inch barrel and features CMMG’s 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.
All CMMG Upper Groups come complete with BCG.
- CALIBER: 5.7x28mm
- BARREL: 16.1” 1:9 Twist, Medium Taper 416SS
- MUZZLE: A2 Comp, threaded 1/2-28
- RECEIVER: Forged 7075-T6 AL M4 type upper
- HAND GUARD: CMMG RML15 M-Lok hand guard
- FINISH: Hard Coat Anodized Receivers and Hand Guard
- CHARGING HANDLE: CMMG Mil-Spec
- WEIGHT: 4lbs 5oz
- LENGTH: 25.2