The Swenson T-Series Frame Parts Kit for Gen 1, 2, 3, 4 Glock Pistols is a cost effective option for replacing old standard parts with upgraded solid parts. These easy to install parts provide outstanding fit and function while giving your Glock a custom look. IncludesTrigger w/ BarTrigger housingTrigger spring5.5 lb Trigger connectorTrigger pinTrigger housing pinLocking block pinSlide lockSlide lock spring forMagazine Catch & SpringSlide stop lever DISCLAIMER:This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.