CMMG MK3 .308 Lower Parts Kit, Black

Description

This CMMG MK3 .308 lower parts kit supplies the components needed to assemble a MK3-compatible lower receiver. Components are sorted into color-coded bags for easier identification during assembly. The kit is designed for CMMG Mk3 lowers and is reported to work with most LR-308 style lowers. All included parts are described as meeting or exceeding Mil‑Spec standards.

Key Specifications

• Compatible with CMMG Mk3 and most LR-308 type lowers.
• Configured for .308 / 7.62 NATO platforms.
• Includes pistol grip, hammer, trigger, fire control pins, springs, magazine catch components, bolt catch parts, buffer retainer and related hardware.
• Finish supplied as Black matte.
• Fit and series listed as MK3, Mil‑Spec.
• Product type is Lower Parts Kit (LPK).
• Condition is listed as New.
• Package dimensions noted as 1.80 x 4.85 x 10.70.

Designed for builders assembling a MK3/.308 lower, this kit organizes necessary parts into color-coded bags to streamline installation. With Mil‑Spec components for fire controls and hardware, it simplifies completing a lower when paired with an appropriate buttstock kit. The contained parts provide a practical solution for experienced builders and armorers working on AR-10/LR-308 style platforms.