The COLT LOWER RECEIVER PARTS KIT AR15 from Colt delivers a genuine factory supply designed to finish small-pin AR-15 lower receivers and facilitates installing the trigger group and pistol grip of your choosing, with the reliability and compatibility Colts legacy provides. This kit includes Accu-Wedge and is tailored to fit small pin Mil-Spec AR-15 style lowers, ensuring components work together with minimal fitting, so you can rebuild worn internals or restore an aged rifle to like-new function and reliability. While it does not include the trigger, hammer, disconnector or pistol grip, the kit supplies the essential small parts needed to complete the lower receiver assembly and support smooth operation when paired with your selected trigger group and grip. As a single-manufacturer source from the company that developed and built the original AR-15/M16 platform for the U.S. military, these parts are engineered for cohesive performance and dependable function. Ideal for builders seeking authentic Colt components, this kit helps you achieve clean install compatibility and a solid foundation for a precision AR-15 build or rebuild project with trusted Colt quality.