Glock 17 how to work July 8, 2019 16 32 64 128 Glock 17 how it works Glock 17 work Glock 17 kj works Glock 17 kj works co2 Glock 17 slide work Glock 17 frame work Glock 17 armorer works Glock 17 custom work Glock 17 gen 5 disassembly Glock 17 gen 3 hickok45 Glock 17 gen 5 shooting