This genuine Ruger® factory magazine with Ruger logo has been tested and has proven to feed as reliably as the standard BX-1 10-round Ruger® rotary magazine. BX-25® magazines will work with any factory original 10/22® Rifle, SR-22® Rifle, 22 Charger™ Pistol, .22 LR Ruger American Rimfire® Rifle and .22 LR Ruger 77/22® Rifle. Cannot bill to or ship 25-round magazines to the following states and cities: California, Colorado, Connecticut, Hawaii, Maryland, Massachusetts, New Jersey, New York, Washington, DC. ILLINOIS: Aurora, Cicero, Skokie, Chicago, North Chicago, Chicago Heights, Cook County, Buffalo Grove, Dolton, Hazel Crest, Highland Park, Homewood, Melrose Park, Oak Park, and Evanston. DO NOT ORDER THIS PRODUCT if you live in these locations.