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CMMG
Overview
The CMMG Resolute 100 MK57 5.7x28 Complete Upper - 16" is a upper receiver. Compare prices from multiple merchants and find the best deal.
Specifications
Price and stock
The CMMG Resolute 100 MK57 5.7x28 Complete Upper - 16" was out of stock everywhere we track for all of September 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $824.95 at AR15 Discounts for when it comes back.
Prices checked · refreshed daily across 37 retailers
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