TTI Grand Master Connector Kit Any great shooter who knows their way around a Glock will tell you that the key to having the optimal set-up is a great connector kit and extra springs. Glock's advertised 5.5lb trigger pull actually measures out at 7-7.75lbs on average. The Grand Master Connector Kit brings down the trigger pull to 3-5lb with no gunsmithing! (Varies from Glock to Glock). This trigger package will provide the lightest, smoothest, and cleanest trigger break you'll ever put into your Glock. Made from extremely hard SAE 1075 Heat-Treated Tool-Steel, highly polished, and the only connector that is electroless nickel plated ( MIL-C-26074E Milit Mfg: Taran Tactical Innovations