The Advantage Arms Glock Conversion Kit transforms your Glock 17 or 22 Gen 5 into a .22 LR trainer with their most accurate conversion system available.Advantage Arms Glock 17/22 Gen 5 Conversion KitCaliber: .22 LRAdjustable sights for precision shootingLast round lock open functionality30 second installation - no gunsmithing required1 year factory direct warrantyPerfect for cost-effective training plinking and skill development while maintaining the familiar feel and operation of your Glock pistol. Ideal for new shooters and experienced marksmen looking to reduce ammunition costs.