Pocket-Sized Firepower: Hidden Pen Guns with firearms expert Jonathan Ferguson

Published on September 3, 2025
Duration: 18:11

This video explores various pen-shaped firearms, highlighting their design, functionality, and limitations. Expert Jonathan Ferguson details how these disguised weapons operate, focusing on their concealed nature and the challenges in their practical application. The discussion covers rifled barrels, firing pin mechanisms, and the rare inclusion of sound suppressors, emphasizing their novelty and historical context.

Quick Summary

Pen guns are disguised firearms designed for extreme concealment. While some feature rifled barrels and even optional sound suppressors, their practical use is limited by the need to remove barrel obstructions and the challenges of their firing mechanisms, making them more novelty items than reliable defensive tools.

Chapters

  1. 00:00Introduction & Book Promotion
  2. 00:42Discovering the Pen Gun
  3. 01:50Overview of Pen Guns
  4. 02:24Rifled Barrel Feature
  5. 03:10Chambering and Cartridge Types
  6. 03:30Firearm Mechanism Explained
  7. 03:54Firing Pin Mechanism
  8. 04:42.22 Long Rifle Cartridge Demonstration
  9. 05:47How the Pen Gun Fires
  10. 05:53Historical Applications (SOE/OSS)
  11. 06:24Manufacturing Origins (Dara Adam Khel)
  12. 06:41Practicality and Limitations
  13. 07:17Barrel Obstruction Dangers
  14. 08:06Concealed Carry Considerations
  15. 08:15Firing Mechanism Drawbacks
  16. 08:56Second Pen Gun Example
  17. 09:11The 'Cigar Case' Suppressor
  18. 09:57Suppressor Construction (Brass, Wipes)
  19. 11:54Suppressor Design Limitations
  20. 12:20Unique Feature: Optional Suppressor
  21. 12:28Provenance and Acquisition
  22. 13:04Third Pen Gun Example (Parker-like)
  23. 13:54Advanced Firing Mechanism
  24. 14:05Rifling and Breach Face
  25. 14:42Firing Methods Explained
  26. 15:11Real Pen Analogy
  27. 15:15Overhand Firing Technique
  28. 15:26Stabbing Firing Technique
  29. 15:51Historical Use Anecdote
  30. 16:07Button Release vs. Concealment
  31. 16:27Design Philosophy: Maximum Concealment
  32. 16:41Conclusion: Pen Mightier Than Sword
  33. 16:45Museum & Merchandise Plug
  34. 17:05Sexton SPG Lapel Pin
  35. 17:14Shop & App Promotion
  36. 17:34Other YouTube Channels & Ad-Free Content
  37. 17:53Gladiators Exhibition
  38. 17:58Next Episode Tease

Frequently Asked Questions

What are the main challenges in using a pen gun for self-defense?

The primary challenges include the need to remove barrel obstructions before firing, which is time-consuming and compromises concealment. Additionally, the firing mechanisms can be difficult to operate quickly and reliably under stress, and the projectile's effectiveness is limited by the small caliber and barrel length.

Are pen guns rifled, and why is this significant?

While uncommon, some pen guns are rifled. Rifling imparts spin on the bullet for improved accuracy. However, it requires specific ammunition and can lead to a 'jump' to the rifling if the wrong cartridge is used, potentially reducing efficiency and causing a gap.

What is the construction of a pen gun sound suppressor?

The discussed sound suppressor is machined from brass and uses a series of thin leather wipes and brass washers to reduce the sound of the gunshot. Its construction is simple but effective for its size, though it doesn't offer the same performance as larger suppressors.

How are advanced pen guns fired?

Advanced pen guns can be fired by squeezing the front and rear halves together, mimicking a pen's click action. This can be achieved through grip pressure or by stabbing the target, causing the firing pin to engage the primer.

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