Indumil Cassidy: Licensed Copy of an Unlicensed Copy

Published on February 20, 2026
Duration: 0:55

This video from Forgotten Weapons delves into the history and manufacturing of the Indumil Cassidy, a firearm produced in Colombia. The expert analysis highlights Indumil's origins as a state arms factory and its decision to produce handguns by copying the Smith & Wesson K-frame, specifically the Model 10. The video reveals an interesting lineage: Indumil licensed its design from Llama, which itself had copied the Smith & Wesson model, making the Indumil Cassidy a licensed copy of an unlicensed copy.

Quick Summary

The Indumil Cassidy, produced by Colombia's state arms factory, is a licensed copy of a Llama pistol, which itself was an unlicensed copy of the Smith & Wesson Model 10 K-frame. This firearm showcases a complex lineage rooted in the popular Smith & Wesson K-frame design, with Indumil beginning handgun production in the early 1950s.

Chapters

  1. 00:00Indumil, Colombia's primary arms factory
  2. 00:17Expansion and handgun production
  3. 00:29Indumil's copy of Smith & Wesson K-frame
  4. 00:40Licensed copy of an unlicensed copy

Frequently Asked Questions

What is Indumil?

Indumil is the primary state arms factory in Colombia, established in 1908. It holds a legal monopoly on the production and sale of arms within the country and expanded into handgun manufacturing in the early 1950s.

What firearm design is the Indumil Cassidy based on?

The Indumil Cassidy is based on the Smith & Wesson K-frame revolver, specifically the M&P or Model 10. Interestingly, Indumil licensed its design from Llama, which had previously copied the Smith & Wesson model.

What is the manufacturing history of the Indumil Cassidy?

Indumil, Colombia's state arms factory, began producing handguns in the early 1950s by copying the Smith & Wesson Model 10. They licensed this design from Llama, making the Cassidy a licensed copy of an unlicensed copy.

What is the significance of the Indumil Cassidy's design lineage?

The Indumil Cassidy represents a fascinating case of derivative manufacturing. It's a licensed copy from Llama, but Llama itself had created an unlicensed copy of the original Smith & Wesson Model 10 K-frame.

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