HK 45 Slide assembly. This one is in very good shape and includes the barrel and recoil guide rod. This is full size type with the barrel being 4.46 inches. The bore is mostly shiny. Numbers matching but pattern stamped over them on both. Parts Questions and Requests. This would include fitment, period correct installation, additional pictures, etc. I would love to help you in any which way I can! Please be certain that all vintage parts are installed correctly and safely. We recommend a visual inspection and installation by a qualified gunsmith to assure utmost safety. I always strive to be fair and honest in my auctions!