FN 502 22 Long Rifle 4in Black Cerakote Pistol - 10+1 Rounds - The FN 502 Tactical isn't just the first .22 LR from FN, it's the industry's first slide-mounted, optics-ready rimfire handgun that's ever existed. Designed for maximum fun, FN's hammer-fired .22 LR delivers more accuracy and versatility than any other rimfire. Mounting a favorite red dot optic and cycling a wide range of .22 LR ammo makes a low-cost range day a high-end experience.