CMMG UPPER GROUP, RESOLUTE, Mk4, 300BLK, 16.1″

UPPER GROUP, RESOLUTE, Mk4, 300BLK, 16.1″

Originally created for use in subsonic/suppressed applications, .300 BLK has evolved into a very capable caliber, available in a variety of subsonic and supersonic loadings. Whether it’s hunting, personal defense, or target shooting, this .300 BLK RESOLUTE® Upper Group is just the thing to finish your next carbine build. This upper is designed to work with any standard AR15 lower. 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 .308

Lifetime Quality Guarantee

We aim to please, that’s why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects. Learn More.