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CMMG
Overview
The CMMG Dissent Mk4 Upper Receiver is a complete assembly designed for the AR-15 platform, featuring a 16.10-inch barrel chambered in 6mm ARC. This upper receiver combines precision engineering with the versatility of the 6mm ARC caliber, making it suitable for a variety of shooting applications, from target practice to hunting. Builders looking to create a dedicated 6mm ARC setup will find this upper a solid choice for their projects.
Specifications
Available Merchants(4)
Prices checked
Price Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the CMMG Dissent MK4 Upper Receiver 22 ARC 16.10\" Aluminum to a build in June 2026.
Today 3 of the 4 retailers we track have it in stock. Buying today, the lowest price is $1,107.10 at GritR Sports.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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