Underwood Ammo .458 SOCOM

Published on June 5, 2015
Duration: 17:38

This review of Underwood Ammo's .458 SOCOM rounds, featuring Lehigh Defense projectiles, showcases impressive performance in ballistic gel and hard target tests. The Xtreme Penetrator demonstrated deep penetration and significant cavitation, while the Controlled Fracturing round expanded effectively, shedding petals for multiple wound channels. Both rounds proved capable of defeating multiple barriers, including concrete and simulated house structures, highlighting the caliber's power and the importance of target awareness.

Quick Summary

Underwood Ammo's .458 SOCOM rounds, including the 300 gr. Xtreme Penetrator and Controlled Fracturing projectiles, deliver exceptional performance. Tests showed massive cavitation, deep penetration in gel, and the ability to defeat multiple hard barriers like concrete.

Chapters

  1. 00:00Intro to .458 SOCOM & Underwood Ammo
  2. 01:18Rifle Specs & Xtreme Penetrator Gel Test
  3. 02:48Controlled Fracturing Gel Test
  4. 04:20Soda Baffle & Hard Target Testing
  5. 13:01Pine Baffle & House Simulation Test

Frequently Asked Questions

What makes the .458 SOCOM caliber unique for an AR platform?

The .458 SOCOM is designed to function in a standard AR-15 lower receiver and feed from AR-15 magazines, offering a powerful, large-caliber option within the familiar AR platform, unlike traditional large-bore cartridges.

How did Underwood Ammo's Xtreme Penetrator perform in tests?

The 300 gr. Xtreme Penetrator demonstrated massive cavitation and deep penetration in ballistic gel, even tumbling after impact. It also showed impressive performance through multiple concrete blocks.

What is the design principle behind the Controlled Fracturing projectile?

The Controlled Fracturing projectile is engineered to expand upon impact, shedding six petals to create multiple wound channels. The base of the projectile continues to penetrate, ensuring significant energy transfer.

What are the key rifle components used in the .458 SOCOM test?

The test rifle featured a 16-inch Tromix .458 SOCOM upper, a Troy rail, a Geissele SSA trigger, and a Vortex Razor 1-6x optic, providing a robust platform for testing the ammunition.

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