CMMG Lower Spring and Pin Kit for AR15 – Mil-Spec Components, Builder Kit (55AFF75)

• Lower receiver spring and pin kit for AR15 builds and maintenance applications
• Includes trigger spring, hammer spring, pins, detents, and related components
• All included parts meet or exceed established mil-spec manufacturing standards
• Supports assembly or repair of lower receiver internal mechanisms
• Compatible with standard AR-15 lower receiver configurations
• Provides essential small parts required for reliable firearm function

The CMMG AR15 Lower Spring and Pin Kit is a lower parts kit designed for assembling or repairing AR-15 rifle lower receivers. This parts kit includes a selection of springs and pins required for standard lower receiver function. It is designed to meet Mil-Spec standards for compatibility with AR-platform builds.

The CMMG AR15 lower spring and pin kit contains trigger and hammer springs, hammer and trigger pins, takedown springs, a disconnector spring, safety selector detent and spring, bolt catch spring with plunger and coil pin, trigger coil pin, and buffer retainer with spring. It is categorized as a lower receiver parts kit and supports AR-15 configurations. This product is used for rifle assembly or maintenance for range use or general service applications. In standard configurations, the included components install within the lower receiver to support fire control and retention functions.