CMC AR-15 Lower Parts Kit w/ Curved Single-Stage Trigger

This CMC Triggers lower receiver parts kit is designed for AR-15 builds and gunsmithing work. It features a curved single-stage trigger and components intended to meet or exceed MIL-SPEC standards. The kit is supplied without a pistol grip and is configured for the AR-15 small-pin (.156") trigger model.

Key Specifications

• The kit type is a lower receiver parts kit for AR-15 platforms.
• The trigger is a curved single-stage design.
• The trigger pull is listed as 3–3.5 lb in the available product data.
• The pin configuration is small-pin (.156" pin).
• The materials are specified as steel and aluminum.
• The kit includes bolt catch, mag release and button, safety and detent, buffer retainer and spring, trigger guard and roll pin, takedown detents and springs, takedown pins, and the trigger.
• The kit does not include a pistol grip.
• The listed product weight is 0.4 (unit as provided in source data).
• Dimensions provided are 1.15 x 5.30 x 8.75 (as listed in source data).

This kit provides a practical foundation for an AR-15 lower build or upgrade, supplying MIL-SPEC-compatible parts and a single-stage curved trigger for a clean, direct break. It is suitable for builders and armorers who require a compact, small-pin lower kit with quality components and clear compatibility notes.