This Glock 19/23 Lower Parts Kit is everything that you need to finish your Glock or a Polymer 80 Lower. These Glock parts are machined to exact specifications to make sure that you have a well-functioning Glock. Our Glock lower Parts Kit comes with Polymer Trigger and safety bar with 5.5 lb trigger connector. Kit Includes: Polymer Trigger w/ Bar Trigger Housing Trigger Spring 5.5lb Trigger Connector Trigger Pin Trigger Housing Pin Locking Block Pin Slide Lock & Spring Magazine Catch & Spring Factory Slide Stop Lever