CMMG MK3 AR-10 Lower Receiver Parts Kit, .308 Winchester, Black, Part 38CA6DC

Description

CMMG's Lower Parts Kit for the Mk3 contains 4 color-coded bags with parts separated into them. The clear bag contains the .308 takedown pin, .308 receiver pivot pin, two (2) takedown pin detents, two (2) takedown pin detent springs. The yellow bag contains the bolt catch, bolt catch plunger, bolt catch screw, bolt catch spring, buffer retainer, and buffer retainer spring. The red bag contains two (2) hammer and trigger pins, hammer spring, trigger spring, disconnect, and disconnect spring. The blue bag contains the magazine catch, magazine catch spring, and magazine release button. The green bag contains the safety selector, selector detent, selector detent spring, lock washer, and pistol grip screw. Also included are the hammer, trigger, and pistol grip.

The CMMG 38CA6DC Lower Receiver Parts Kit is designed for MK3 and AR-10 platform builds chambered in .308 Winchester. This complete lower parts kit provides essential components for assembling or replacing the key operating parts of a compatible lower receiver, helping support a reliable and consistent build process. Finished in black, it offers a practical match for standard black or matte-black components.
The kit includes a pistol grip, fire-control components, springs, and pins, providing several of the primary parts needed for a lower receiver installation. Its Mil-Spec series design is intended for users seeking familiar AR-pattern component specifications and straightforward compatibility with suitable MK3 and AR-10 receivers. Always verify receiver compatibility and applicable regulations before installation.
CMMG is known for producing purpose-built components for modern sporting rifles and AR-platform firearms. The 38CA6DC Lower Receiver Parts Kit is a practical choice for builders, gunsmiths, and firearm owners who need a replacement or foundational parts set for a compatible .308 Winchester lower receiver. Professional installation is recommended when required, particularly for fire-control components and other parts that affect safe firearm operation.

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