GCR #33 Hickok45 and tnoutdoors9

Published on June 8, 2015
Duration: 109:21

This discussion debunks the myth of 'knockdown power' in handgun calibers, emphasizing that incapacitation is the true goal, achieved through shot placement, penetration, and expansion rather than sheer force. Experts highlight that while larger calibers like .45 ACP offer advantages in energy and perceived recoil, modern ammunition technology makes calibers like 9mm highly effective when used properly. The conversation stresses that training, tactics, and understanding individual physiological responses are more critical than the specific caliber chosen for self-defense.

Quick Summary

The concept of 'knockdown power' in handguns is largely a myth. Experts emphasize that incapacitation, achieved through accurate shot placement, adequate penetration, and proper bullet expansion, is the true goal in self-defense. While larger calibers like .45 ACP have more energy, modern 9mm ammunition is highly effective when used properly, making shot placement and bullet performance more critical than the specific caliber.

Chapters

  1. 00:00Introduction to SDI and Firearms Education
  2. 01:44Guest Introduction: tnoutdoors9
  3. 03:50Discussion on Handgun Knockdown Power
  4. 04:37Dirty Harry Movie Scene Analysis
  5. 06:11Defining Knockdown Power: Energy vs. Physical Effect
  6. 08:37tnoutdoors9's Stance: Knockdown Power is a Myth
  7. 10:05Comparing Handgun vs. Rifle Energy
  8. 10:56Baseball Analogy for Energy Transfer
  9. 11:51Fist vs. Baseball: Energy Expenditure
  10. 12:37Handgun Bullets as Hole Punches vs. Rifle Impact
  11. 13:30Reaction to Being Shot: Person vs. Caliber
  12. 14:13What Does Knockdown Power Mean?
  13. 15:24The Role of Terminology in Ammo Sales
  14. 16:25Comparing 9mm, .380, and .45 ACP Reactions
  15. 17:43Advantages of .45 ACP: Big and Slow
  16. 18:00Comparing 9mm and .45 ACP Capacity and Shootability
  17. 19:13Anecdotal Evidence from Veterans
  18. 20:13US Military Transition from .45 ACP to 9mm
  19. 22:17The Unreliability of Anecdotal Evidence
  20. 23:49The Difficulty of Proving Caliber Effectiveness
  21. 25:41Jim Cirillo's Experience
  22. 26:18Street Credentials vs. Battlefield Credentials
  23. 27:03The Importance of Ballistic Testing Data
  24. 27:45Incapacitation: The True Goal
  25. 29:07Ballistic Gel Testing and Data Accessibility
  26. 30:51Training, Tactics, Shot Placement, and Luck
  27. 31:35Surviving Multiple Hits with .40 Caliber
  28. 32:01People Not Realizing They've Been Shot
  29. 33:00Movie Portrayals of Gunshot Wounds
  30. 33:53Number One Cause of Death After Being Shot: Blood Loss
  31. 34:50Categorizing Stopping Power
  32. 35:56Circumstance and Motivation in Conflicts
  33. 37:14FBI Ballistic Gel Test Image Analysis
  34. 38:39Body vs. Gel: Real-World Differences
  35. 39:28Permanent Cavitation in Ballistic Tests
  36. 40:22Consistency of Cavitation Size Across Calibers
  37. 41:11Exotic Ammo Types and Their Effectiveness
  38. 41:36Central Nervous System (CNS) Shots
  39. 42:20Scientific Differences Between Calibers
  40. 43:10Preference for .45 ACP in a Glock 21/41
  41. 44:00Recoil Impulse Comparison: .45 ACP vs. 9mm vs. .40 S&W
  42. 44:49The Importance of Being in the Same Room
  43. 45:05Serious Discussion vs. Entertainment
  44. 45:33Training vs. Living Life
  45. 46:34Training as a Hobby vs. Necessity
  46. 47:00The Influence of 'Training Personalities'
  47. 47:20Popular AR-15 Holding Techniques
  48. 48:38Lingo and Appearance Driven Industry
  49. 49:25Overly Gear-Focused Mentality
  50. 50:23Concealed Carry Class Experience
  51. 51:47Mall Ninja Gear and Incorrect Ammo Loading
  52. 53:49The 'Mall Ninja' Mentality
  53. 55:05Male Culture and Portraying Masculinity
  54. 55:27Laziness and Easiest Path to Fitting In
  55. 56:221911s: Tightness vs. Functionality
  56. 56:43Accuracy: Shooter vs. Gun
  57. 57:19Collecting Gear vs. Using Gear
  58. 58:30Criminals Watching Firearms Videos
  59. 59:03Evolution of YouTube Gun Channel Names
  60. 60:37Origin of the 'tnoutdoors9' Channel Name
  61. 61:08Carrying Firearms in Tennessee
  62. 61:47Question: Felons and Gun Ownership
  63. 62:26Constitutional Rights, Law, and Common Sense
  64. 63:03The Revolving Door of the Criminal Justice System
  65. 63:35Effectiveness of Universal Background Checks
  66. 64:24Dependence on the Crime Committed

Frequently Asked Questions

What is 'knockdown power' in firearms, and is it real?

The concept of 'knockdown power' in handguns is largely considered a myth. Experts emphasize that the true goal in self-defense is incapacitation, achieved through accurate shot placement that disrupts vital functions, rather than a physical force that knocks an assailant down. Modern ammunition in various calibers can be effective if it penetrates adequately and expands properly.

How do different handgun calibers like 9mm, .40 S&W, and .45 ACP compare in effectiveness?

While .45 ACP offers more energy and a slower projectile, modern 9mm ammunition with proper bullet design can achieve similar incapacitation levels. The .40 S&W is often noted for its sharper recoil, potentially impacting shooter accuracy. Ultimately, shot placement, bullet construction, and penetration are more critical than the caliber itself.

What is the most important factor for stopping a threat with a handgun?

The most critical factors for stopping a threat with a handgun are shot placement, adequate bullet penetration to reach vital organs, and proper bullet expansion. While caliber plays a role, it's secondary to the shooter's ability to place accurate shots and the bullet's performance upon impact. Training, tactics, and understanding the physiological effects are paramount.

Why is 'knockdown power' a misleading term in self-defense discussions?

'Knockdown power' is misleading because it implies a physical force that's not characteristic of handgun rounds. Handgun bullets primarily cause incapacitation by damaging vital systems and causing blood loss. The dramatic 'knockdowns' seen in movies are Hollywood exaggerations; real-world effectiveness relies on accurate hits and projectile performance, not sheer impact force.

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