The Luth-Ar LLC Buffer Retainer with Spring 10 Pack is an essential upgrade for your AR-15 rifle designed to ensure optimal performance and reliability. This pack includes ten buffer retainers each paired with a high-quality spring providing you with the components needed to maintain or enhance your firearm. Crafted with precision these buffer retainers are engineered for durability and consistent function making them a reliable choice for both casual shooters and seasoned gun enthusiasts. Whether you're building a new AR-15 or refurbishing an existing one this 10 pack offers the convenience and quality you require for a seamless shooting experience.