This KSA Chipmunk single-shot bolt-action pistol, serial number 868878, is chambered for .22 Short, .22 Long, and .22 Long Rifle cartridges. It remains in very good overall condition. The Chipmunk was developed by Keystone Sporting Arms (KSA) as a lightweight, youth-sized training rifle designed to introduce new shooters to safe firearm handling and marksmanship. Known for its simple single-shot action, compact dimensions, and reliable performance, the Chipmunk has been a popular choice for youth shooting programs and family firearms instruction for decades.