Knife-Gun Monday: Sigaud-Barnerias 5mm Pinfire

Published on September 3, 2025
Duration: 6:37

This video examines the Sigaud-Barnerias 5mm pinfire knife gun revolver, a unique combination firearm manufactured in the late 19th century. The presenter details its construction, markings, and the manufacturing process involving subcontracting in Liege, Belgium. While acknowledging its impracticality, the video highlights its historical context and the enduring appeal of novelty firearms.

Quick Summary

The Sigaud-Barnerias 5mm pinfire knife gun revolver was manufactured by Jacqu Seigo Barnerias, a cutlery specialist. The firearm features a 5mm pinfire mechanism, double-action-only operation, and Belgian proof marks, indicating its gun components were made in Liege, Belgium, before final assembly in Tier, France.

Chapters

  1. 00:04Introduction to Knife Gun Monday
  2. 00:17Introducing the Sigaud-Barnerias Knife Gun
  3. 00:39Barnerias Company Background
  4. 01:05Sponsor: Headstamp Publishing
  5. 01:34Markings: Brevette SGDG and SB Logo
  6. 01:57Manufacturing Location: Tier, France
  7. 02:07Belgian Proof Marks Explained
  8. 02:39The 5mm Pinfire Revolver Mechanism
  9. 02:49Deploying the Knife Blade and Trigger
  10. 03:06Functional Revolver Operation
  11. 03:15Cylinder Loading and Ejection
  12. 03:32Double-Action Only Fire Control
  13. 03:445mm Pinfire Cartridge Power
  14. 04:02OEM Manufacturing Process
  15. 04:34Finishing and Retail Product
  16. 05:13Historical Catalog Pricing
  17. 05:36Impracticality vs. Novelty Appeal
  18. 06:06The Enduring Appeal of Knife Guns
  19. 06:17Conclusion and Thanks

Frequently Asked Questions

Who manufactured the Sigaud-Barnerias 5mm pinfire knife gun?

The Sigaud-Barnerias 5mm pinfire knife gun was manufactured by Jacqu Seigo Barnerias, who ran a company primarily focused on cutlery and tools. This combination firearm was offered as an additional product in his catalog.

What caliber and type of ammunition does the Sigaud-Barnerias knife gun use?

The Sigaud-Barnerias knife gun is a 5mm pinfire revolver. It is designed to fire pinfire cartridges, which were typically loaded with black powder, making it a very low-power ammunition type.

Where was the Sigaud-Barnerias knife gun manufactured and proofed?

While the company was based in Tier, France, the gun components of the Sigaud-Barnerias knife gun were manufactured and proofed in Liege, Belgium. This involved a subcontracting process where unfinished gun parts were sent to Belgium for proofing before being returned to France for final assembly.

What are the key markings found on the Sigaud-Barnerias knife gun?

Key markings include 'Brevette SGDG' on the blade, indicating a patent without government guarantee. The company's trademark logo, 'SB' in an oval, is also present. Additionally, Belgian proof marks, such as the ELG in an oval with a crown, are found on the firearm components.

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