CMMG Resolute .22 ARC 16.10 in 15 in M-LOK Upper

Designed to provide consistent function from the AR-15 platform, 22 ARC delivers 22-250 levels of ballistic performance in the Mk4 (AR15) lineup. This CMMG Resolute upper is built for integration with Mk4 AR-15 receivers and includes a 15-inch M-LOK handguard for accessory mounting and modularity.

Key Specifications

• The model is CMMG 28B260CMB Resolute.
• The caliber is .22 ARC.
• The barrel measures 16.10 inches for standard AR-15 compatibility.
• The handguard is a 15-inch M-LOK for accessory attachment and modularity.
• The rate of twist is 1:7.
• Intended platform compatibility is AR-15 / Mk4.

This upper pairs established AR-15 platform compatibility with the .22 ARC chambering and a long M-LOK handguard for practical accessory mounting. Its configuration supports precision-oriented loads and modular accessory setups while remaining straightforward to install on Mk4 AR-15 receivers.