This product from Cross Armory, the CRG4OKGD, is a comprehensive 3-piece kit for Glock firearms. It includes a Dimpled Pin Set, an Extended Magazine Catch, and an Extended Slide Lock. Both the Slide Lock and the Dimpled Pin Set are crafted from robust 4140 Steel whereas the Magazine Catch is aluminum-made. Notably, none of these components meddle with the gun holster.
This kit has been carefully designed to accommodate a wide range of Glock models Gen4 including: 17, 19, 20, 21, 22, 23, 26, 27, 29, 30, 31, 32, 33, 34, 35, 40, and 41.