UNDERWOOD 458 HAMMMER 302GR – XTREME PENETRATOR 20RD 10BX/C

Underwood's 458 Hammer 302-grain Xtreme Penetrator rounds deliver deep, reliable penetration for hunters pursuing large game. Whether you're shooting from Daly City or across Northern California, understanding local regulations matters—review California firearm laws before your purchase. TacticCAL stocks this ammunition for serious hunters who demand terminal performance.

302-Grain Xtreme Penetrator Design

The Xtreme Penetrator bullet is engineered to punch through heavy bone and muscle without fragmentation. At 302 grains, this load generates substantial kinetic energy while maintaining controlled expansion on impact. Underwood's construction prioritizes deep wound channels, making it suitable for elk, moose, and other large-frame game. Check our California gun-buyer FAQ for ammunition storage and transport rules specific to your region. TacticCAL is your local gun store in the Bay Area.

Frequently asked questions

What makes the 458 Hammer caliber different from standard 458 Winchester?

The 458 Hammer is a proprietary cartridge designed for maximum velocity and energy with modern powders. It delivers higher performance than standard 458 Winchester while maintaining reliability in modern bolt-action rifles.

How many rounds are in each box of this Underwood ammunition?

Each box contains 20 rounds. The product ships in a case of 10 boxes, giving you 200 total rounds per case for serious hunting or range preparation.

What is an FFL transfer in California?

An FFL transfer is when a federally-licensed dealer like TacticCAL receives a firearm shipped from another seller and processes California's required DROS paperwork to legally transfer it to you. TacticCAL is your gun shop Daly City in the Bay Area.