Introducing TJ's 1911 series '80 to series '70 conversion Shims, the essential solution for firearm enthusiasts and gunsmiths seeking to enhance the performance of their 1911 pistols. Specifically designed to replace the gap left by the removal of the "Colt series '80 firing pin Block Actuating levers," these precision engineered frame slot fillers ensure a seamless transition to a crisper, more responsive trigger pull. When the series '80 firing pin block is removed, it is crucial to fill the resulting frame gap to prevent the sear from wandering, which could potentially lock up the sear/trigger mechanism. TJ's conversion Shims provide a reliable and straightforward fix, maintaining the integrity and functionality of your firearm. Crafted with meticulous attention to detail, these shims are made from high-quality materials to ensure durability and a perfect fit. Whether you're a professional gunsmith or a dedicated hobbyist, TJ's 1911 series '80 to series '70 conversion Shims offer an indispensable upgrade for achieving optimal trigger performance and maintaining the safety and reliability of your 1911 pistol. Elevate your shooting experience with this essential enhancement today. The shim or slot filler is designed to fit into the frame cutout, allowing series 70 slides and components to be compatible with series 80 frames Direct replacement, seamless integration