This Defender Ain't No Pretender!...Winchester Defender .40 S&W Self-Defense AMMO Ballistic Gel Test

Published on February 21, 2026
Duration: 12:19

This video provides an expert-level ballistic gel test of Winchester Defender .40 S&W 165-grain JHP ammunition. The test, conducted by an experienced individual, evaluates projectile performance from different barrel lengths (Glock 27 and Glock 22) through a clothing barrier. Key metrics like velocity, expansion, and penetration depth are analyzed, offering valuable insights for self-defense ammunition selection.

Quick Summary

The Winchester Defender .40 S&W 165gr JHP ammunition demonstrated excellent performance in ballistic gel tests, achieving significant expansion and maintaining integrity through a clothing barrier. Velocities averaged 1126 fps from a 3.5-inch barrel and 1185 fps from a 4.5-inch barrel, with penetration depths around 17-18.5 inches.

Chapters

  1. 00:00Introduction and Weather Conditions
  2. 00:23Winchester Defender .40 S&W Test Setup
  3. 00:47Winchester Defender Ammo Details
  4. 01:38Cartridge Overview and Design Comparison
  5. 02:03Test Firearms and Performance Estimation
  6. 02:23Anticipated Results and Test Setup
  7. 02:37Velocity Testing and Radar Setup
  8. 03:03.40 S&W Velocity Results
  9. 04:06Glock 22 Velocity Boost
  10. 05:11Gel Test Setup and Expectations
  11. 05:43Gel Penetration and Results
  12. 06:49Discussion of Gel Test Results
  13. 08:18Measurements and Projectile Integrity
  14. 09:11Recovered Projectiles
  15. 10:33Closing Remarks and Future Tests

Frequently Asked Questions

How did the Winchester Defender .40 S&W 165gr JHP perform in ballistic gel?

The Winchester Defender .40 S&W 165gr JHP showed excellent performance, achieving significant expansion and maintaining projectile integrity after passing through a clothing barrier. Penetration depths were approximately 16.75 inches from a 3.5-inch barrel and 18.5 inches from a 4.5-inch barrel.

What were the measured velocities for the Winchester Defender .40 S&W?

Chronograph results showed an average of 1126 fps from a Glock 27 (3.5" barrel) and 1185 fps from a Glock 22 (4.5" barrel). These figures met or exceeded the claimed 1140 fps, especially from the longer barrel.

Is Winchester Defender .40 S&W suitable for self-defense?

Based on this ballistic gel test, the Winchester Defender .40 S&W 165gr JHP appears to be a highly effective self-defense round. Its bonded construction ensures reliable expansion and penetration through barriers, making it a strong choice.

How does barrel length affect the performance of Winchester Defender .40 S&W?

A longer barrel, like the 4.5-inch Glock 22, yielded higher velocities (1185 fps) compared to a shorter barrel, the 3.5-inch Glock 27 (1126 fps). This resulted in slightly deeper penetration (18.5" vs 16.75") and greater energy transfer.

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