CMMG

Upper Group RESOLUTE

RDB was an advancement from straight blowback. Compact action RDB was an advancement to the original RDB. This (fixed ejector on RDB) is a continued advancement bringing new technologies to the original platform.

Looking to build the ultimate 9mm pistol caliber carbine? We have you covered! Utilizing the Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably CMMG this upper group is designed to work with a number of different lower receivers. From standard AR15 lowers (when used with AR 9 conversion mags) to any of our pistol magazine lowers (Mk9 MkGs and Mk17) you can build your next PCC exactly how you imagine. Available in seven different Cerakote finishes all CMMG Upper Groups come complete with bolt carrier group and ZEROED accessories including:

• ZEROED AR15 Polymer Dust Cover
• ZEROED AR15 Ambi Charging Handle
• ZEROED Muzzle Brake 9mm

Radial Delayed Blowback Operating System

Originally developed for the .45 ACP MkG platform CMMG has adapted our Radial Delayed Blowback system across our pistol caliber lineup to create pistols and rifles with a softer recoil impulse and reduced bolt weight compared to traditional straight blowback systems.

Lifetime Quality Guarantee

Every CMMG product is backed by a Lifetime Quality Guarantee against material and workmanship defects.

Description:

• Armor Black
• Platform: Mk4 Mk9 Mk17 MkGs
• Caliber: 9mm
• Operating System: Fixed Ejector Radial Delayed Blowback
• Barrel Length: 16.1
• Barrel Twist: 1:10
• Barrel Contour: MT
• Barrel Material: 4140CM SBN
• Barrel Twist: 1:10
• Muzzle Device: CMMG ZEROED Muzzle Brake
• Muzzle Thread: 1/2 X 28
• Gas Port Location: N/A
• Gas Block: N/A
• Upper Receiver: Billet 6061 T6 Aluminum
• Hand Guard: CMMG EML15 M-LOK
• Finish: Cerakote Standard
• Charging Handle: CMMG ZEROED Ambi
• Weight: 4.0 lbs
• Length: 25.3