Platinum POWER!...Underwood Platinum Edition Xtreme Defender!

Published on March 3, 2023
Duration: 14:43

This review tests Underwood's 10mm Platinum Edition Xtreme Defender against a Nosler JHP through a Glock 20. The Xtreme Defender achieved 1631 fps and 679 ft-lb energy, penetrating 22.5 inches with 100% weight retention and a massive wound channel. The Nosler JHP averaged 1422 fps and 673 ft-lb, expanding to 0.558 inches and stopping at 15.25 inches with jacket separation.

Quick Summary

The Underwood 10mm Platinum Edition Xtreme Defender (115gr) achieved 1631 fps and 679 ft-lb energy, penetrating 22.5 inches in ballistic gel with 100% weight retention. The Nosler JHP (150gr) averaged 1422 fps and 673 ft-lb, expanding to 0.558 inches but fragmenting and stopping at 15.25 inches.

Chapters

  1. 00:00Introduction & Test Setup
  2. 00:37Ammunition Specs: Xtreme Defender & Nosler JHP
  3. 02:11Test Firearm: Glock 20
  4. 02:30Chronograph Results: Velocity & Energy
  5. 06:10Ballistic Gel Impact & Wound Channels
  6. 09:55Projectile Recovery & Weight Analysis
  7. 12:40Conclusion: Which 10mm Load is Best?

Frequently Asked Questions

How did the Underwood 10mm Platinum Edition Xtreme Defender perform in ballistic gel?

The 115gr Xtreme Defender achieved 1631 fps and 679 ft-lb energy, penetrating 22.5 inches in ballistic gel with 100% weight retention and creating a massive wound channel.

What were the results for the Underwood 10mm Nosler JHP in the ballistic gel test?

The 150gr Nosler JHP averaged 1422 fps and 673 ft-lb energy. It expanded significantly to 0.558 inches but fragmented, stopping at 15.25 inches with some weight loss.

What firearm was used to test the Underwood 10mm ammunition?

The test utilized a Glock 20 pistol equipped with a 4.6-inch barrel. This firearm is a common choice for shooting the powerful 10mm Auto cartridge.

Did the tested 10mm ammunition meet its advertised velocity?

Both loads fell slightly short of their box ratings. The Xtreme Defender (rated 1700 fps) tested at 1631 fps, and the Nosler JHP (rated 1500 fps) tested at 1422 fps, but both delivered substantial energy.

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