This guide details the installation of the Custom Smith Manufacturing MP57 PDW Kit for the Ruger 57 pistol. The process involves transferring the Ruger 57's fire control unit and internals into the MP57 chassis, effectively converting the handgun into a compact Personal Defense Weapon platform. The kit features a polymer chassis, integrated accessory rails, and a rear Picatinny mount for braces or stocks, allowing for customization to achieve an 'MP7 at home' aesthetic.
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