Advantage Arms .22 Caliber Conversion Kit - For GLOCK 19/23 GEN4

In ten short seconds, you can have your Glock model 19, 23 GEN 4 ready to shoot inexpensive .22LR ammunition. Features a patent pending system that locks the slide open after the last round is fired. Comes with slide assembly, recoil spring assembly, barrel, one magazine, magazine loader, cleaning patches, brush, cleaning rod, cleaner lubricant and carry case.