CMMG AR-15 Lower Parts Kit | Mil-Spec LPK | 55CA6C5

This CMMG lower parts kit supplies the standard mil-spec components needed to assemble an AR-15 lower receiver; a stripped lower and stock assembly are sold separately. The kit is supplied in color-coded bags to simplify parts identification during assembly. It is appropriate for builders and gunsmiths completing or repairing AR-15 platform lowers.

Common applications include custom AR-15 builds and gunsmithing/repair work where a full mil-spec lower parts set is required.

Product Specifications

• The manufacturer is CMMG.
• The model is Lower Parts Kit.
• The manufacturer’s part number is 55CA6C5.
• The finish style is BLACK MATTE.
• The kit includes an A2-style pistol grip and associated grip hardware.
• The kit fit is specified as AR-15.
• The series is listed as Mil-Spec.
• The product type is Lower Parts Kit.
• The units per box is 1.
• The listed weight is 0.6.
• The trigger is specified as Standard.
• The UPC is 852005002080.

This kit consolidates the common lower-group components into a single package to simplify assembly and repairs. All parts are described as meeting mil-spec standards and are packaged to assist identification during installation. For builders who prioritize parts compatibility with standard AR-15 lowers, this kit offers the core components required to complete the lower receiver group when paired with a compatible buttstock and stripped lower.