Convert your Glock and train with cost-efficient rimfire ammunition. The TSG-22 is a .22 LR conversion for all generations of the 17/22, 19/23, 34 and 35 Glock models, including the fourth-generation Glock. Fixed factory-style Glock sights, a 4140 steel black-oxide-finish slide and a chrome-moly-lined, buttoned-rifle barrel. Includes one 10-round polymer magazine. Made in USA. Type: Pistol Barrels.