10mm vs .40S&W Ballistic Gel Test Comparison With The Glock 20!

Published on September 3, 2021
Duration: 12:53

This ballistic gel test compares the performance of 10mm Auto and .40 S&W, both 180-grain jacketed hollow points (JHPs), fired from a Glock 20. The .40 S&W demonstrated slightly greater penetration (14 inches) compared to the 10mm (12.375 inches), while the 10mm showed marginally more expansion. Both calibers performed comparably in terms of wound channel appearance, with the 10mm's performance being highly ammo-dependent. The test also noted that the .40 S&W was more cost-effective per box.

Quick Summary

In a ballistic gel test comparing 10mm Auto and .40 S&W from a Glock 20, the .40 S&W 180gr JHP penetrated 14 inches, while the 10mm Auto 180gr JHP penetrated approximately 12.375 inches. Both created similar wound channels, with the 10mm showing slightly more expansion. The .40 S&W was also noted as a better value.

Chapters

  1. 00:00Introduction and Setup
  2. 00:36Ammunition & Firearm Introduction
  3. 01:57.40S&W Chronograph Test
  4. 02:5110mm Chronograph Test
  5. 03:45.40S&W Ballistic Gel Test
  6. 04:2910mm Ballistic Gel Test
  7. 05:12Gel Performance Analysis
  8. 07:11Penetration Measurement
  9. 08:31Projectile Examination
  10. 09:58Conclusion and Cost Analysis

Frequently Asked Questions

How did the 10mm and .40 S&W perform in ballistic gel from a Glock 20?

In a ballistic gel test using a Glock 20, the .40 S&W 180gr JHP penetrated 14 inches, while the 10mm Auto 180gr JHP penetrated approximately 12.375 inches. Both showed comparable wound channels, with the 10mm exhibiting slightly more expansion.

What were the tested velocities for 10mm and .40 S&W from a Glock 20?

The .40 S&W 180gr JHP averaged 1025 fps, exceeding its advertised velocity. The 10mm Auto 180gr JHP averaged 1091 fps, falling short of its advertised 1150 fps.

Which caliber, 10mm or .40 S&W, offered better value in this test?

The .40 S&W was considered a better value due to its comparable ballistic performance in the gel test and a noted price difference of approximately $10 per box less than the 10mm ammunition.

Did the 10mm or .40 S&W show more bullet expansion in the gel test?

The 10mm Auto 180gr JHP demonstrated slightly more expansion and compression compared to the .40 S&W 180gr JHP, though both projectiles performed well and retained their jackets.

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