357Mag or 40S&W?

Published on December 14, 2025
Duration: 11:19

This video from Boondock Ballistician delves into the comparison between .357 Magnum and .40 S&W cartridges. The speaker, demonstrating high authority, covers the historical development of .357 Magnum, the market shift towards semi-automatics, and a detailed analysis of ballistics, penetration, and practical considerations like capacity and ammunition versatility. The comparison highlights .357 Magnum's higher velocity and heavier bullet potential versus .40 S&W's capacity advantages in semi-autos.

Quick Summary

.357 Magnum generally fires heavier bullets at higher velocities (around 1450 fps) offering greater penetration, while .40 S&W provides higher capacity in semi-automatic pistols and potentially less over-penetration. .357 Magnum revolvers can also fire .38 Special for practice.

Chapters

  1. 00:00Introduction: .357 Mag vs .40 S&W Debate
  2. 00:47History of the .357 Magnum Cartridge
  3. 02:47Revolvers vs. Semi-Autos Market Shift
  4. 04:26Ballistics and Performance Comparison
  5. 06:51Penetration and Over-Penetration Concerns
  6. 08:57Practical Considerations: Capacity & Versatility

Frequently Asked Questions

What are the key ballistic differences between .357 Magnum and .40 S&W?

.357 Magnum typically fires heavier bullets at higher velocities, around 1450 fps, offering greater penetration potential. .40 S&W fires lighter bullets at slower speeds but is often favored for its manageable recoil and higher capacity in semi-automatic pistols.

Is .357 Magnum or .40 S&W better for self-defense?

For self-defense, .40 S&W in a semi-automatic pistol offers higher capacity. .357 Magnum revolvers provide versatility, allowing use of .38 Special for practice, but have lower capacity. Both calibers are effective, with .40 S&W potentially posing less risk of over-penetration.

Can .357 Magnum revolvers shoot .38 Special ammunition?

Yes, most .357 Magnum revolvers are designed to safely chamber and fire .38 Special ammunition. This offers a significant advantage for practice, as .38 Special typically has lower recoil and is less expensive than .357 Magnum.

What is the historical origin of the .357 Magnum cartridge?

The .357 Magnum was developed in 1935 during the Prohibition era. It was created for police officers who needed a cartridge with superior penetration capabilities to effectively stop armed criminals of the time.

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