Is 9mm Ammo Best for Self-Defense?

Published on October 20, 2022
Duration: 9:49

This video discusses the effectiveness of 9mm ammunition for self-defense, highlighting its popularity and the advantages of jacketed hollow points (JHPs). It explains how advancements in bullet construction have made 9mm JHPs highly effective, emphasizing the importance of proper bullet expansion and weight retention for terminal ballistics. The guide also touches on how factors like barrel length and powder type influence ammunition performance and advises choosing ammo optimized for specific firearm types.

Quick Summary

For self-defense, 9mm Luger ammunition, specifically jacketed hollow points (JHPs), is highly recommended. JHPs are designed to expand upon impact, creating a larger wound channel and retaining weight for effective penetration. This balance of expansion and penetration, combined with 9mm's manageable recoil and magazine capacity, makes it a top choice.

Chapters

  1. 00:00Introduction: Ammo Drought & Self-Defense Questions
  2. 00:129mm's Popularity in Self-Defense
  3. 00:26Importance of Quality Defensive Ammo
  4. 00:52Remington Ultimate Defense 9mm Example
  5. 01:01The Caliber Debate: 9mm vs. Others
  6. 01:34Science Behind 9mm's Effectiveness
  7. 01:56What Makes Good Defensive Ammo (JHP)
  8. 02:09JHP Expansion and Penetration
  9. 02:43Why Jacket Hollow Points Work Best
  10. 03:05Best Ammo for YOUR Gun: A Different Question
  11. 03:15Bullet Weight and Powder Types
  12. 03:38Impact of Barrel Length on Performance
  13. 03:55JHP Deployment: Too Slow vs. Too Fast
  14. 04:15Finding the Right Balance for Your Firearm
  15. 04:26Ammo Company Testing Videos
  16. 04:36Ammo for Full-Size vs. Compact Handguns
  17. 05:01JHP Legality (New Jersey Exception)
  18. 05:16Differences Between Ammunition Types
  19. 05:21Military Ammunition: Full Metal Jacket (FMJ)
  20. 05:32Hague Accords and FMJ
  21. 06:09FMJ for Target Shooting & Over-penetration Risk
  22. 06:43Law Enforcement Ammunition: Jacket Hollow Point
  23. 06:479mm's Rise in Law Enforcement (Late 80s)
  24. 07:10FBI's Experience with .40 Caliber vs. 9mm
  25. 07:33Comparing .40 Caliber and 9mm Recoil
  26. 07:44Physics of Bullet Weight and Speed
  27. 07:559mm's Lighter Bullet and Recoil Advantage
  28. 08:07Shooting Better with 9mm in Defensive Scenarios
  29. 08:14Multiple 9mm Holes vs. One Large Hole
  30. 08:21Federal Agencies Adopting 9mm
  31. 08:38Local Law Enforcement Shift to 9mm
  32. 08:41Law Enforcement Incident with .40 Caliber JHP Failure
  33. 08:47Law Enforcement Incident with .45 ACP Capacity Issues
  34. 09:02Return to Glock 17s in 9mm for Capacity
  35. 09:06Wish for More Bullets in a Shootout
  36. 09:149mm: Balance of Power, Effectiveness, and Capacity
  37. 09:23Availability of 9mm Ammunition
  38. 09:35Carry with One in the Chamber

Frequently Asked Questions

What is the most popular handgun caliber for self-defense?

The 9mm Luger caliber has secured its place as the single most popular round for defensive use. Its popularity stems from a combination of manageable recoil, effectiveness, and the ability to carry more rounds in a magazine compared to larger calibers.

What type of ammunition is best for self-defense?

For self-defense, good quality jacketed hollow point (JHP) 9mm ammunition is recommended. These bullets are designed to expand upon impact, creating a larger wound channel and retaining weight for sufficient penetration to reach vital organs.

Why are jacketed hollow points preferred over full metal jackets for self-defense?

Jacketed hollow points are preferred because they expand and are designed to stay within the target, minimizing over-penetration risks. Full metal jacket (FMJ) ammunition, often used for target practice, tends to pass through targets without expanding, potentially causing collateral damage.

How does barrel length affect 9mm ammunition performance?

Barrel length influences how much powder is burned inside the barrel, affecting the round's velocity. A longer barrel generally allows for more complete powder burn, pushing the round to optimal velocity for proper JHP expansion. Ammunition is often optimized for specific barrel lengths (e.g., full-size vs. compact).

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