Genuine Factory Glock OEM DOT 5lb Connector SP07965 for All Non-Slim Models (42 43 43x 48) GEN 1-5 is an authentic Glock factory part that comes with a number of features. The connector is designed to reduce trigger pull (at 5 lbs) and is made of stainless steel. It is specifically designed for Glock models and is suited for 9mm, 40 caliber, 357 Sig, 45 ACP, 10mm, and 45 GAP. The part is silver in color and is made in Austria. The features of the connector makes it a great addition to your Glock model.