Underwood Ammo .45 ACP Xtreme Defender

Published on April 7, 2016
Duration: 19:49

This review details the performance of Underwood Ammo's 120-grain .45 ACP Xtreme Defender. Tested across multiple firearms and various barriers including auto glass, plywood, and drywall, the round consistently demonstrated impressive penetration and terminal ballistics. It maintained projectile integrity and effective wound channel creation, making it a viable option for self-defense.

Quick Summary

The Underwood 120-grain .45 ACP Xtreme Defender achieved 18 inches of penetration in ballistic gel and demonstrated excellent performance through barriers like auto glass, plywood, and drywall, maintaining projectile integrity and creating effective wound channels.

Chapters

  1. 00:00Intro: Underwood Xtreme Defender .45 ACP
  2. 01:08Velocity Testing & Baseline Gel Setup
  3. 02:47Baseline Ballistic Gel Results (18" Penetration)
  4. 04:35Auto Glass Barrier Test: 'Barrier Blindness'
  5. 08:48Plywood Barrier Test: Full Penetration
  6. 11:21Drywall & Insulation Test Results
  7. 14:33Car Door Barrier Test
  8. 15:27Conclusion: Modern Defensive Ammunition

Frequently Asked Questions

What are the key features of the Underwood .45 ACP Xtreme Defender?

The Underwood 120-grain .45 ACP Xtreme Defender is a solid copper, CNC-machined projectile designed for self-defense. It features a unique fluted design for improved terminal ballistics and is engineered to maintain performance through common barriers like glass and wood.

How did the Underwood Xtreme Defender perform in ballistic gel tests?

In standard ballistic gel tests, the Underwood Xtreme Defender achieved exactly 18 inches of penetration. It also demonstrated an improved temporary cavity compared to previous designs, indicating effective tissue disruption.

Can the Underwood Xtreme Defender penetrate common barriers effectively?

Yes, the Xtreme Defender showed excellent performance through various barriers. It successfully penetrated auto glass, 3/4 inch plywood, and multiple layers of drywall with insulation, maintaining projectile integrity and deep penetration.

What firearms were used to test the Underwood .45 ACP Xtreme Defender?

The Underwood Xtreme Defender was tested using three different firearms: a Smith & Wesson M&P 45 Compact, a CZ 97 BD, and a Kimber TEN II 1911. Velocity was measured for each.

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