.357SIG Ballistic Showdown! (Semi-Auto Alternative to .357mag?)

Published on May 19, 2020
Duration: 10:16

This video provides a ballistic comparison of six different .357 SIG ammunition loads, featuring data from Cor-Bon, Speer Gold Dot, Underwood, DoubleTap, and Minuteman. The instructor, a self-proclaimed fan of .357 SIG, demonstrates the performance of various bullet weights and types, highlighting velocity and energy figures. The analysis concludes that all tested rounds perform at or above advertised specifications, with Minuteman Ammunition's 115-grain JHP emerging as the most potent and Underwood's 115-grain Extreme Penetrator noted for superior barrier penetration.

Quick Summary

The Minuteman Ammunition 115-grain Montana Gold JHP was the most potent .357 SIG load tested, achieving 1624 fps and 674 ft-lbs of energy. For barrier penetration, the Underwood 115-grain Extreme Penetrator is recommended due to its solid copper construction.

Chapters

  1. 00:00Introduction to .357 SIG
  2. 00:13Instructor's Preference for .357 SIG
  3. 00:40Testing Six .357 SIG Ammunition Loads
  4. 01:10Cor-Bon 115gr JHP Ballistics
  5. 02:50Speer Gold Dot 125gr JHP Ballistics
  6. 03:46Underwood 125gr JHP Ballistics
  7. 04:35Underwood 115gr Extreme Penetrator Ballistics
  8. 05:42DoubleTap 125gr JHP Ballistics
  9. 06:31Minuteman 115gr JHP Ballistics
  10. 07:21All Six Loads Compared
  11. 07:57Best for Penetration: Underwood Extreme Penetrator
  12. 08:16Overall Best Performer: Minuteman Ammunition
  13. 08:31Understanding Foot-Pounds of Energy
  14. 09:16Top Carry Ammunition Recommendations
  15. 09:37Why .357 SIG is an Excellent Caliber

Frequently Asked Questions

How does .357 SIG ammunition perform compared to its advertised ratings?

In this test, all six tested .357 SIG ammunition loads performed at or above their manufacturer's advertised specifications. The test firearm's 4.75-inch barrel likely contributed to higher-than-rated velocities for some loads, demonstrating the importance of barrel length in ballistic performance.

Which .357 SIG ammunition offers the best penetration?

For hard barrier penetration, the Underwood 115-grain Extreme Penetrator is recommended. Its solid copper construction, even at slightly lower velocities, is designed to maximize penetration through tough materials.

What is the most powerful .357 SIG load tested?

The Minuteman Ammunition 115-grain Montana Gold JHP was the most potent round tested, achieving an average velocity of 1624 feet per second and delivering 674 foot-pounds of energy, making it the hardest-hitting option.

Is .357 SIG a good caliber for self-defense?

Yes, .357 SIG is considered an excellent caliber for self-defense. It offers good ammunition capacity in semi-automatic platforms while delivering ballistic performance that rivals or exceeds many magnum revolver rounds, providing significant stopping power.

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