Underwood 458 Hammer 302 Grain Xtreme Penetrator Ammunition

Underwood’s 458 HAM’R ammunition is loaded with a 302 grain Xtreme Penetrator bullet designed for deep, reliable performance. This jacketed hollow point round achieves a muzzle velocity of 2100 FPS and features a copper solid bullet construction. Each box contains 20 cartridges, with 10 boxes per case, and the ammunition is reloadable for those who handload their own rounds.