Winchester Super-X .22 LR 25 gr #12 Rimfire Ammo – 50/box is one of the new members of the Super-X line from Winchester which was first started in 1922. The construction has only improved throughout time and today all Super-X bullets are created via precise manufacturing and quality control. The result is a .22 long rifle 25-grain Shotshell that offers dependable performance and consistent results. This particular ammunition is ideal for hunting varmints although some other uses may work as well. Each box contains 50 rounds the perfect balance between value and convenience.