CMMG AR-15 Resolute Mk4 Complete Upper Receiver 22 ARC 16.1" Barrel M-LOK Handguard Black

This CMMG AR-15 Resolute Mk4 Upper Receiver Assembly is designed to pair with any standard AR15 pattern lower group. Harness the capability of 22 ARC in this uniquely designed RESOLUTE 16.1" upper. Available in seven different Cerakote finishes, all CMMG Upper Groups come complete with bolt carrier group and ZEROED accessories. The 22 ARC is the result of careful and meticulous design, following the same proven methodology as the highly acclaimed 6mm ARC. The cartridge and chamber were designed