Underwood Ammo .458 SOCOM

Published on June 5, 2015
Duration: 17:38

This video provides an expert-level review of Underwood Ammo's .458 SOCOM offerings, specifically the Xtreme Penetrator and Controlled Fracturing projectiles. The review features a detailed breakdown of a custom Tromix .458 SOCOM rifle build and showcases extensive ballistic testing, including penetration through various barriers and into ballistics gel, demonstrating the caliber's significant power and potential for over-penetration.

Quick Summary

The .458 SOCOM caliber, optimized for the AR platform, offers power comparable to .45-70 but in a semi-automatic system. Underwood Ammo's projectiles, like the Xtreme Penetrator and Controlled Fracturing, demonstrate impressive ballistics, with the former excelling in deep penetration and cavitation, and the latter in controlled expansion. However, extreme over-penetration is a significant safety consideration.

Chapters

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

Frequently Asked Questions

What is the .458 SOCOM caliber and how does it differ from .45-70?

The .458 SOCOM is a powerful rifle cartridge designed for the AR platform, allowing it to feed from standard AR magazines. It offers similar power to the .45-70 but is optimized for semi-automatic rifle systems, providing a potent option for various applications.

What are the key features of the Tromix .458 SOCOM rifle used in the test?

The test rifle is a 16-inch Tromix .458 SOCOM build featuring a Troy rail, a Geissele SSA trigger for enhanced precision, and a Vortex Razor 1-6x optic, representing a high-performance setup for this caliber.

How do Underwood's Xtreme Penetrator and Controlled Fracturing .458 SOCOM rounds perform in ballistics gel?

The Xtreme Penetrator shows massive cavitation and deep penetration, often tumbling, while the Controlled Fracturing round expands by shedding petals, creating multiple wound tracks and significant energy transfer with substantial penetration.

What are the main safety concerns with the .458 SOCOM caliber?

The primary safety concern is extreme over-penetration due to the caliber's power. Shooters must be acutely aware of what lies behind their target, as these rounds can easily defeat multiple barriers.

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