CMMG Dissent 28B940CMB | .22 ARC | 16.10 in Barrel

The CMMG Dissent 28B940CMB is an AR-15 upper configured for the .22 ARC cartridge. It pairs a 16.10 in barrel with a 6061-T6 aluminum upper to provide a lightweight centerfire small-caliber option. The listed 1:7 rate of twist is specified for stabilizing projectiles in this chambering. Recommended applications include precision target shooting and varmint hunting.

Product Specifications

• The manufacturer is CMMG.
• The model designation is 28B940CMB Dissent.
• The manufacturer’s part number is 28B940CMB.
• The product category is listed as AR15 Uppers.
• The caliber is specified as .22 ARC.
• The barrel length is 16.10 inches.
• The listed rate of twist is 1:7.
• The upper construction material is 6061-T6 aluminum.
• The UPC is 810148627492.
• The supplied product image is located at https://media.server.theshootingwarehouse.com/large/164476.jpg.
• The short product description provided by the distributor is CMMG 28B940CMB Dissent 22 ARC 16.10″ 6061-T6 Aluminum.

This Dissent upper places a modern small-caliber centerfire cartridge into a familiar AR platform with a balanced 16.10 in barrel and durable 6061-T6 aluminum construction. For shooters focused on accurate, efficient performance in competition or field applications, this upper offers a purpose-built starting point for building a precision-oriented AR configuration.