CMMG MK57 AR-15 Stripped Lower Receiver - Armor Black
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Overview
The CMMG MK57 AR-15 Stripped Lower Receiver - Armor Black is a lower receiver. Compare prices from multiple merchants and find the best deal.
Specifications
Build history on GunPartPicker
Builders have been adding the CMMG MK57 AR-15 Stripped Lower Receiver - Armor Black to their builds on GunPartPicker since April 2026. All time, it ranks #446 of the 1,050 lower receivers builders have added.
It 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 $274.95 at AR15 Discounts for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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