This TacFire Pistol Kit offers everything you need to assemble a robust .45 ACP firearm. It includes a precision-engineered 10-inch barrel and a bolt carrier group both crafted in the USA. The slick side upper receiver and slim free float MLOK hand guard enhance the overall functionality and style. A complete lower parts kit is also included ensuring compatibility and ease of assembly. The kit features a mil-spec pistol buffer tube with a foam cover for comfort a heavy buffer and a buffer tube spring to ensure reliable performance. Additionally the package comes with a standard receiver end plate a mil-spec/commercial castle nut made of durable steel and a charging handle. A dust cover and forward assist are included for added convenience and the 5/8x24 linear compensator helps manage recoil efficiently. Perfect for those looking to build a custom .45 ACP pistol with quality components.