The kit includes all the necessary Gen 3 Frame parts for a functional frame. Omplete frame parts kit for the Gen 3 Glock (does not include frame, locking block or magazine). Compatible with Polymer80 Frames such as 940c. This Complete Upper and Lower Parts Kit Include.Slide Stop Release with Spring. Safety & Spring Slide Cover Plate. The item "For Glock 19 Gen 3 Lower & Upper Parts Completion Kit Polymer80 PF940 Compatible" is in sale since Monday, February 1, 2021. This item is in the category "Sporting Goods\Hunting\Gun Parts\Pistol". The seller is "kay_xrs" and is located in Long Beach, California. This item can be shipped to United States.