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

The CMMG Dissent 28B940CSG is an AR-15 upper configured for the .22 ARC cartridge, featuring a 16.10 inch barrel and a 1:7 rate of twist. The upper incorporates 6061-T6 aluminum construction as indicated in the model name. It is intended for builders and shooters seeking a platform-specific upper for precision-oriented or general-purpose AR-15 builds.

Key Specifications

• The manufacturer is CMMG.
• The model identifier is 28B940CSG.
• The caliber is .22 ARC.
• The barrel length is 16.10 inches.
• The receiver material is 6061-T6 Aluminum.
• The rate of twist is 1:7.
• The product category is AR-15 upper.

This Dissent upper provides a straightforward, platform-compatible option for AR-15 builds where the .22 ARC chambering and a longer barrel are desired. Its clean specification set and aluminum construction make it suitable for builders focused on consistent, rifle-caliber performance without unnecessary extras.