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 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. This package ships with three 10-round 9mm AR Conversion Magazines.
All of our Upper Groups come complete with BCG
BARREL: 16.1” 1:10 Twist, Medium Taper 4140CM, SBN
MUZZLE: SV Brake, 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 Oversized Ambi
MAGAZINE: 10rd 9mm AR Conversion Magazine x3
All Products come with CMMG’s Lifetime Quality Guarantee
For information not covered here, or Frequently Answered Questions, check our FAQ Page.
CMMG will ship your firearm to the licensed dealer (FFL Holder) of your choice.
We will contact you within a few business days to complete the firearm transaction and determine which FFL you would like us to ship your CMMG to.
At checkout, when you select your shipping address, just select “same as billing”.
We ship firearms to all states except CA and NY.
By clicking the acceptance box below, you are agreeing to the Terms and Conditions listed above.