Whether you're looking to build your own rifle or replace components in your existing setup, the TacFire AR-15 U.S.A. Made Lower Parts Kit is the ideal solution. This comprehensive kit includes essential components such as the trigger, trigger guard, hammer spring, hammer pin and more, providing nearly everything you need for the lower receiver, with the exception of the grip. Crafted with precision and quality in mind, this parts kit ensures reliable performance and durability, making it a valuable addition to your firearms project.