Based on the 22 Hornet cartridge case, the 17 Hornet propels the 20 gr. V-Max at 3650 fps. Fueled with Superformance propellent, the 17 Hornet. Superformance Varmint is economically priced, and delivers the trajectory of a traditional 55 gr. 223 load, but is a pleasure to shoot with the felt recoil of a 22 WMR. The 17 Hornet - an economical, fun 17 caliber centerfire cartridge that puts the sting on varmints out to 300 yards.