Worst Caliber for Self-Defense?

Published on December 18, 2016
Duration: 4:29

The Yankee Marshal, an established firearms commentator, argues that while .45 ACP remains a viable self-defense round, it is no longer the optimal choice due to advancements in modern ammunition technology. He highlights that smaller calibers like 9mm now offer superior performance in penetration and expansion, with fewer drawbacks in terms of firearm size and magazine capacity. This analysis is based on ballistic performance, historical context, and practical barrier testing.

Quick Summary

The .45 ACP is argued to be the worst modern caliber for self-defense due to advancements in 9mm ammunition. While historically effective when bullet expansion was unreliable, modern 9mm loads now offer superior penetration and expansion. Furthermore, .45 ACP firearms typically have lower magazine capacity and are larger/heavier.

Chapters

  1. 00:00Introduction to Self-Defense Calibers
  2. 00:43.45 ACP Identified as 'Worst' Modern Caliber
  3. 01:06Historical Context vs. Modern Technology
  4. 01:39Performance Criticisms of .45 ACP
  5. 02:44Capacity and Size Constraints
  6. 03:13Conclusion and Final Thoughts

Frequently Asked Questions

Why is the .45 ACP considered by some to be the worst modern caliber for self-defense?

The .45 ACP is argued to be less optimal for modern self-defense because advancements in 9mm ammunition technology now provide superior penetration and expansion. Historically, .45 ACP was favored when bullet expansion was unreliable, but this is less of a factor today.

What are the practical drawbacks of the .45 ACP caliber for self-defense?

Drawbacks include lower magazine capacity compared to 9mm, requiring larger and heavier firearms. Additionally, the .45 ACP may exhibit reduced performance against certain barriers like windshields when compared to modern 9mm loads.

Has the effectiveness of 9mm ammunition improved significantly?

Yes, modern 9mm ammunition has seen significant improvements in bullet design and propellant technology, allowing it to achieve excellent penetration and controlled expansion, often matching or exceeding .45 ACP performance.

Does the .45 ACP still have any role in self-defense?

Yes, the .45 ACP is still considered a capable self-defense round and can be effective. However, it is no longer the optimal choice when compared to the performance and practical advantages offered by modern 9mm ammunition.

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