CMMG LOWER RECEIVER ASSEMBLY – MK4/AR15 COYOTE TAN

Overview

The CMMG Mk4 lower receiver is a precision-machined, forged 7075 T6 aluminum foundation designed for AR-15 builds. Finished in a durable Coyote Tan Cerakote, this receiver matches earth-toned furniture and provides superior corrosion resistance. It is built to mil-spec dimensional tolerances, ensuring reliable fitment with standard upper receivers and mil-spec Lower Parts Kits. The receiver features a fire control pocket compatible with single-stage, two-stage, and drop-in trigger cassettes. It includes a threaded rear takedown pin detent hole and standard buffer tube threading to simplify the assembly process. Backed by the manufacturer's lifetime quality guarantee, this stripped lower receiver offers builders a flexible, duty-grade platform for assembling a wide range of custom rifle configurations.

Price & Stock History

Listings