Going to a match or to the range and need spare parts "just in case"? here's what you need! maintenance kit includes: 1 guide rod assembly (includes: recoil spring, guide rod end cap breech, guide rode end cap muzzle, washer), 1 firing pin spring cup, 1 firing pin sleeve, 2 firing pin housing screws, 2 firing pin housing/ext.Screws, 2 firing pin safety springs, 1 firing pin spring.The firing pin is not included with the maintenance kit.Model: TSG-22