Description CCI's varmint lineup offers several loads in a variety of calibers that utilize unique bullet technologies to deliver what we covet most: devastating performance on varmints, time after time. If you can't find your ideal rimfire varmint load in CCI's catalog of products, it doesn't exist.PRODUCT DETAILS:Caliber: 22 Winchester Magnum Rimfire (WMR) Bullet Type: TNT Hollow Point Bullet Weight: 30 GR Muzzle Energy: 280 ft lbs Muzzle Velocity: 2050 fps Casing Material: Brass Sub Brand: TNT Green Rounds Per Box: 50 Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.