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. Includes Trigger w/ Bar Trigger housing Trigger spring 5.5 lb Trigger connector Trigger pin Trigger housing pin Locking block pin Slide lock Slide lock spring for Magazine Catch & Spring Slide stop lever