Upgrade your Glock Gen4 with the Cross Armory 4-Pin Set Dimpled Black Steel engineered for precision and performance. Made from 4140 ordnance-grade steel this pin set is meticulously machined for optimal durability and a sleek finish with a corrosion-resistant surface treatment. Featuring enhanced geometry it ensures improved ergonomics and faster installation while remaining holster-friendly. Designed specifically for Gen4 models including extended backstrap pin requirements it fits a wide range of Glock handguns like 17 19 20 26 34 and more.