The Enhanced drop-in kit is a comprehensive solution for precision shooting enthusiasts seeking to elevate their firearm's performance. This all-inclusive kit features a meticulously crafted target hammer, target sear and target trigger, alongside an extended bolt release and a trigger return spring with a polished plunger. Designed for seamless integration, the trigger is equipped with adjustable pre-travel and over travel screws, allowing for personalized fine-tuning to achieve the perfect trigger pull. The accurizing kit consolidates all essential internal components to deliver a crisp, clean and light trigger pull that meets the high standards of discerning shooters. With no need for stoning or fitting, installation is straightforward, though the final trigger pull may exhibit slight variations due to factory frame differences. Experience enhanced accuracy and control with this expertly engineered kit. The installation of the provided hammer bushing in MK III pistols will eliminate the magazine disconnect feature from your firearm The kit also contains a Volquartsen MKII hammer bushing, which is required for the removal of the magazine disconnect feature in the Ruger MKIII Manufactured in the USA Accurizing kits are compatible with the Ruger MKII, MKIII and all variations of the MKIII 22/45 Please note that the extended bolt release and sear spring are not utilized when installing in a 22/45 model