1 Colt 22 LR Conversion Kit for the Government Model Pistol with Colt "wood grain" box and the correct label. 1 Colt Ace 22.LR Conversion Kit for Service Model Pistol without a box. Both with standard conversion slide markings, fixed front and adjustable rear sights. The kits include the slide, recoil spring, barrel, magazine and slide stop. The Colt Ace conversion is absent the slide stop.