CMMG 60B105A Upper Group 6mm ARC 16.10 in Black Nitride Barrel, 7075-T6 Aluminum Black Anodized Receiver, 15 in CMMG RML M-LOK Handguard for CMMG Resolute 200 Mk4

The CMMG's RESOLUTE upper receiver group allows you to pair Hornadys 6mm ARC caliber with your existing AR15 lower for superior function and accuracy at extended ranges.

Type : Complete
Caliber : 6mm ARC
Sights : None, Optic Ready
Barrel Length : 16.10"
Barrel Material : 416R Stainless Steel
Twist : 1:7.50"
Barrel Description : Medium Taper
Barrel Finish : Black Nitride
Receiver Finish : Black Anodized
Handguards : 15" CMMG RML M-LOK
Barrel Length Range : 16" to 16.99"