THIS PRODUCT IS BACKED BY THE CMMG LIFETIME QUALITY GUARANTEE.
UPPER GROUP KIT, RESOLUTE™ 300, MkGs, 9MM, 3 10RD MAGS
The RESOLUTE 300 9mm upper receiver has a 16.1-inch barrel and features CMMG’s patented Radial Delayed Blowback operating system. The receiver and handguard are hard coat anodized, and come with a pre-installed CMMG Ambi Charging Handle, CMMG SV Brake, and a CMMG RML15 M-LOK handguard. This package ships with three 10-round 9mm AR Conversion magazines.
All of our Upper Groups come complete with BCG.
All Products come with CMMG’s Lifetime Quality Guarantee.
Technical Specifications
| Platform | MkGs |
| Caliber | 9mm (Glock), 9mm, 9mm RDB |
| Operating System | Radial Delayed Blowback |
| Barrel Length | 16.1 |
| Barrel Twist | 1:10 |
| Barrel Contour | MT |
| Barrel Material | 4140CM, SBN |
| Barrel Twist | 1:10 |
| Muzzle Device | Compensator SV Brake |
| Muzzle Thread | 1/2 X 28 |
| Gas Port Location | N/A |
| Gas Block | N/A |
| Upper Receiver | Forged 7075-T6 AL M4 type upper |
| Hand Guard | CMMG RML15 M-LOK |
| Finish | Hard Coat Anodized Receivers and Hand Guard (Can be upgraded to Cerakote) |
| Charging Handle | CMMG Oversized Ambi |
| Magazine | CMMG 9ARC 10rd X3 |