CMMG Resolute 300 5.7x28mm Complete Upper Group for MK57 Style Rifle, Hardcoat Anodized Black - 57B3F65
- Series/Collection: Resolute 300
- Caliber: 5.7x28mm
- Material: 416 Stainless Steel Barrel, 7075 T6 Aluminum Receiver
- Finish: Hardcoat Anodized
- Color: Black
- For Use With: MK57 Style Rifle
- Includes: SV Muzzle Brake, RML15 M-Lok Hand Guard, 416SS Barrel, Ambi Charging Handle
- Dimensions: 25.3" L
- Weight: 4 lb 6 oz
- Barrel Length: 16.1"
- Twist Rate: 1:9
- Barrel Type: Medium Taper
- Muzzle Type: SV Brake
The Resolute 300 5.7x28 mm upper receiver has a 16.1 inches 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 ambi charging handle, CMMG SV brake and a CMMG RML15 M-LOK hand guard.
- All of our upper groups come complete with BCG
- CMMG RML15 M-Lok hand guard
- Hardcoat anodized receiver and hand guard finish
- SV brake, threaded 1/2-28 muzzle
Q & A
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.