CMMG Endeavor MK4 .22 ARC 20\" Complete Upper Receiver, Coyote Tan - 28B3D0CCT
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Overview
The CMMG Endeavor MK4 .22 ARC Complete Upper Receiver is designed for the AR-15 platform and features a 20-inch barrel chambered in 6mm ARC, providing a balance of accuracy and versatility for various shooting applications. The complete assembly allows for straightforward installation, making it an ideal choice for builders looking to upgrade or build a new rifle without the hassle of piecing together individual components. This upper receiver is especially popular among precision and tactical builds that benefit from the unique capabilities of the 6mm ARC cartridge.
Specifications
CMMG Endeavor MK4 .22 ARC 20\" Complete Upper Receiver, Coyote Tan - 28B3D0CCT
Price and stock
The CMMG Endeavor MK4 .22 ARC 20\" Complete Upper Receiver, Coyote Tan - 28B3D0CCT was in stock most days in September 2026, but today only GritR Sports has it in stock. Prices barely moved in September 2026, holding around $789.99, so there haven't been real sales lately. Buying today, the lowest price is $789.99 at GritR Sports, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
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