357 Mag vs 10mm: Huge Difference?

Published on May 17, 2024
Duration: 10:56

This video compares the 10mm Auto and .357 Magnum through various penetration tests, including wood, steel, sand, and concrete. While initial tests showed ties, ballistic gel revealed the 10mm's superior fragmentation and the .357 Magnum's deeper penetration. Chronograph data confirmed the 10mm's higher velocity and energy, leading the host to favor its capacity despite the .357's performance.

Quick Summary

In ballistic gel, the 10mm (155 gr) showed massive fragmentation and 13.25 inches of penetration, while the .357 Mag (158 gr) had less fragmentation but deeper penetration at 25.375 inches. Chronograph data confirmed the 10mm's higher velocity and energy.

Chapters

  1. 00:00Intro & Wood Penetration
  2. 01:30Wood & Mild Steel Test
  3. 02:30Sand Box Penetration
  4. 03:50Concrete Paver & Dummy Test
  5. 05:05Barrel Length Measurement Difference
  6. 07:40Ballistic Gel Performance
  7. 10:00Velocity Data & Verdict

Frequently Asked Questions

What were the results of the 10mm vs .357 Magnum penetration tests?

Initial tests through wood, mild steel, sand, and concrete pavers showed ties. However, ballistic gel revealed the 10mm had significant fragmentation and 13.25" penetration, while the .357 Magnum achieved deeper penetration at 25.375" with less fragmentation.

Does 10mm have more velocity and energy than .357 Magnum?

Yes, the chronograph data presented showed the 10mm handload significantly outperformed the .357 Magnum in both velocity and muzzle energy, indicating greater power potential.

How does barrel length measurement differ between 10mm pistols and .357 Magnum revolvers?

Semi-automatic pistol barrel length measurements include the chamber, while revolver barrel length is measured from the front of the cylinder. This means a 6-inch revolver barrel has more effective rifled length than a 6-inch semi-auto.

Which caliber is better, 10mm or .357 Magnum?

The choice depends on priorities. The 10mm offers higher velocity, energy, and capacity (15+1 vs. 6), while the .357 Magnum demonstrated deeper penetration in ballistic gel. The host favored the 10mm due to its capacity advantage.

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