Cmmg Lpk 556 Without Grip/fire Contr

The CMMG Lower Parts Kit 556 (without grip and fire control group) is a purpose-built component set designed for AR-15 builders and gunsmiths who prefer to source trigger groups and pistol grips separately. This lower parts kit includes all the hardware, springs, pins, and retention components necessary to assemble a functional lower receiver—minus the commonly upgraded components that shooters typically customize based on their specific requirements and budget.

Every component meets or exceeds mil-spec standards, ensuring compatibility with standard AR-15 platforms and delivering the reliability expected in tactical and duty-grade firearms. The kit's modular approach is ideal for builders who already have a fire control group preference or who plan to upgrade to a match-grade trigger later in the build process. By excluding the trigger guard and fire control assembly, this configuration reduces redundant costs and allows precise control over the final trigger quality and grip ergonomics—critical factors for shooters prioritizing accuracy and handling characteristics.

This lower parts kit serves builders completing AR-15 builds from scratch, armorers performing lower receiver assembly during maintenance cycles, and tactical enthusiasts restocking inventory after component upgrades. Whether for a patrol rifle, training platform, or competition build, the CMMG LPK 556 provides verified mil-spec quality without locking shooters into fixed trigger or grip choices. The lightweight package (0.19 lbs) ships efficiently and fits standard AR-15 lower receivers designed to 5.56 NATO or .223 Remington specifications.