CMMG Dissent 28B940CTI .22 ARC 16.10″ AR-15 Upper

The CMMG Dissent 28B940CTI is an AR-15 upper chambered in .22 ARC featuring a 16.10″ barrel and a 1:7 rate of twist. Built with 6061-T6 aluminum components, this upper is aimed at shooters seeking a stable, repeatable .22 ARC platform for precision target work, small-game hunting, and advanced training applications. Its design is compatible with AR-15 lowers and standard components for straightforward integration.

Key Specifications

• The manufacturer is CMMG.
• The model is 28B940CTI Dissent.
• The caliber is .22 ARC.
• The barrel measures 16.10 inches.
• The upper is constructed from 6061-T6 aluminum.
• The rifling twist rate is 1:7.
• The component is compatible with the AR-15 platform.

Cleanly executed and purpose-built, the CMMG Dissent upper delivers the ballistic advantages of .22 ARC in an AR-15-compatible package, combining precise stabilization, durable 6061-T6 construction, and straightforward fitment. It suits shooters assembling a dedicated .22 ARC system for range work, small-game hunting, or advanced training where a stable, repeatable performance envelope is required.