Six Inches Is NOT Enough!...10MM Winchester Defense "Black Box" JHP Ballistic Gel AMMO Test!

Published on March 1, 2026
Duration: 12:51

This video provides an expert-level ballistic gel test of Winchester Defense 10mm AUTO 180 Grain JHP ammunition, conducted by an experienced reviewer. The test compares performance from a Glock 20 (4.6" barrel) and a Glock 40 (6" barrel), detailing chronograph readings, penetration depths, and projectile condition after impact. The reviewer concludes that this specific Winchester Defense load is underperforming compared to expectations for 10mm and even some .40 S&W loads.

Quick Summary

The Winchester Defense 10mm 180 Grain JHP ammunition averaged 1144 FPS/523 ft-lbs from a Glock 20 (4.6" barrel) and 1200 FPS/575 ft-lbs from a Glock 40 (6" barrel). Penetration in gel was 14.75" and 15.25" respectively, with disappointing expansion and lead loss.

Chapters

  1. 00:00Intro and Weather
  2. 00:31Gel and Test Setup
  3. 00:48Winchester Defense 10mm JHP Ammo
  4. 01:18Ammo Specs and Comparison
  5. 01:44Pistol Selection
  6. 02:08Testing Procedure
  7. 02:44Glock 20 Chronograph Test
  8. 03:55Glock 40 Chronograph Test
  9. 04:39Muzzle Energy Comparisons
  10. 05:39Gel Test Setup
  11. 06:04First Gel Test
  12. 06:21Second Gel Test
  13. 06:38Gel Impact Examination
  14. 08:10Penetration Distances
  15. 09:04Bullet Fragment Examination
  16. 10:24Final Thoughts

Frequently Asked Questions

How did the Winchester Defense 10mm JHP perform in ballistic gel?

The Winchester Defense 10mm 180 Grain JHP ammunition showed underperformance, with penetration depths of 14.75 inches (Glock 20) and 15.25 inches (Glock 40) in ballistic gel. Projectiles exhibited significant lead loss and less expansion than expected.

What were the chronograph results for the Winchester Defense 10mm JHP?

From a Glock 20 with a 4.6-inch barrel, the average velocity was 1144 FPS with 523 ft-lbs of energy. From a Glock 40 with a 6-inch barrel, the average was 1200 FPS with 575 ft-lbs of energy.

Which Glock models were used for the 10mm ammunition test?

The test utilized a Glock 20, which has a 4.6-inch barrel, and a Glock 40, which features a 6-inch barrel. Both were used to compare the effect of barrel length on the ammunition's performance.

What was the reviewer's overall assessment of the Winchester Defense 10mm JHP?

The reviewer considered the Winchester Defense 10mm JHP to be "fool's gold," indicating disappointment with its performance. They suggested that its effectiveness was questionable, even when compared to some .40 S&W loads.

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