Description Designed expressly for 17 HMR velocities. Thirty five percent faster than standard .22 rimfire magnum 40 grain ammunition. Sure-fire, clean ignition under tough field conditions. 50 count reusable box with sliding lid. 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.