CMMG Dissent .22 ARC 16.10 in 6061-T6 Aluminum Upper

The CMMG 28B940CMB Dissent is an AR-15 upper configured for the .22 ARC cartridge with a 16.10 inch barrel. The assembly lists 6061-T6 aluminum construction and a 1:7 rate of twist. This upper is presented for integration into AR-15 platforms where .22 ARC capability is desired.

Key Specifications

• Manufacturer is CMMG.
• Model is the 28B940CMB Dissent.
• The caliber is .22 ARC.
• The barrel length is 16.10 inches.
• Barrel/material designation is 6061-T6 aluminum.
• Rate of twist is 1:7.
• Category designation is AR15 Uppers.

This upper provides a straightforward, component-level option for adding .22 ARC capability to an AR-15 platform. With a 16.10 inch barrel and a 1:7 twist, it supports a range of .22 ARC loads while 6061-T6 aluminum construction keeps the assembly practical for regular range and precision use. The Dissent 28B940CMB is a solid choice for shooters looking to outfit an AR-15 with .22 ARC functionality in a durable, well-specified package.