The Winchester Super?X .22 LR 25 gr birdshot brings the trusted Super?X series to rimfire shooters who need reliable performance for small-game and varmint control, and as part of Winchester's long-running Super?X line it delivers consistent trajectory and terminal performance with a 25?grain #12 shot load designed for close?range precision; with a muzzle velocity of about 1255 fps and muzzle energy near 140 ft?lbs this load gives effective pellets patterning for squirrel, rat, and other pest work, while the brass casing and rimfire design ensure dependable chambering and extraction in a wide range of .22 long rifle platforms, from bolt actions to standard rimfire semi-autos and single?shot carry rigs. The ammunitions US origin and recognizable yellow packaging make inventory and selection straightforward at the field or range, and hunters and land managers will appreciate the balance of pellet density and velocity for humane dispatch at recommended distances, along with consistent point of impact for sighting and follow?up shots.