CMMG
Overview
The CMMG AR 15 Endeavor MK4 22 ARC 20 Barrel Complete Upper is a barrel. Compare prices from multiple merchants and find the best deal.
Specifications
Price and stock
The CMMG AR 15 Endeavor MK4 22 ARC 20 Barrel Complete Upper was out of stock everywhere we track for all of September 2026, and today only CMMG has it in stock. Buying today, the lowest price is $999.95 at CMMG, above September's low of $713.24, so a better deal may come back.
Prices checked · refreshed daily across 37 retailers
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