Apex Tactical 116142 Action Enhancement CZ75B Pistol BlackThe Apex Action Enhancement Kit for the CZ 75 B series pistols is designed to improve performance and reduce the large difference in trigger pull weight that exists between the double action first shot and the subsequent single action shots to approximately 2 pounds. The hammer and sear have matching Apex engineered single action engagement surfaces that yield a clean, consistent single action style trigger break while providing a smooth stack free