Was I Too Tough On It?...You Be The Judge!

Published on March 5, 2023
Duration: 12:53

This expert-level analysis from Tools&Targets details a ballistic gel test comparing Underwood XTP and Federal HST 10mm Auto ammunition. The host, demonstrating advanced knowledge, found both rounds achieved 24 inches of penetration through a four-layer clothing barrier but fell short of his 700 ft-lb energy threshold for 'true 10mm'. The Federal HST exhibited greater expansion, while the Underwood XTP retained its weight better, though both performed well overall.

Quick Summary

In a ballistic gel test with a clothing barrier, the Underwood XTP averaged 1162 fps and 600 ft-lb energy, while the Federal HST averaged 1106 fps and 543 ft-lb energy. The HST showed greater expansion, but both penetrated 24 inches. The host considers 700 ft-lb the benchmark for 'true 10mm' performance.

Chapters

  1. 00:00Introduction & Test Setup
  2. 00:35Clothing Barrier & Ammunition Selection
  3. 00:49Underwood XTP Details
  4. 01:15Federal Premium HST Details
  5. 01:48Firearm Used: Glock 20
  6. 02:24Chronograph Test: Federal HST
  7. 03:59Chronograph Test: Underwood XTP
  8. 04:35Velocity & Energy Comparison
  9. 05:05Ballistic Gel Test Setup
  10. 06:11Wound Channel & Penetration Analysis
  11. 08:30Recovered Bullet Analysis
  12. 09:56Expansion Measurements
  13. 10:16Conclusion & Performance Shortcomings
  14. 11:11Final Thoughts & Call to Action

Frequently Asked Questions

What are the key performance differences between Underwood XTP and Federal HST 10mm 200-grain JHP rounds?

In a ballistic gel test with a clothing barrier, the Underwood XTP averaged 1162 fps and 600 ft-lb energy, while the Federal HST averaged 1106 fps and 543 ft-lb energy. The HST showed greater expansion (0.639" vs 0.5896"), but both penetrated 24 inches.

What velocity and energy levels does the host consider 'true 10mm' performance?

The host expresses a preference for 10mm loads to achieve around 700 foot-pounds of energy. Neither the Underwood XTP nor the Federal HST 200-grain JHP rounds tested met this personal benchmark, despite performing well in other metrics.

How did the 10mm ammunition perform through a clothing barrier in the ballistic gel test?

Both the Underwood XTP and Federal HST 200-grain JHP 10mm rounds successfully penetrated a four-layer clothing barrier (denim, fleece, two cotton t-shirts) and achieved a consistent 24 inches of penetration in ballistic gel.

Which 10mm bullet expanded more in the ballistic gel test?

The Federal Premium HST 200-grain JHP demonstrated greater expansion, averaging 0.639 inches in diameter. The Underwood XTP 200-grain JHP expanded to an average of 0.5896 inches.

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