Detonics MkI: The Original Sub-Compact 1911

Published on November 23, 2015
Duration: 10:56

The Detonics MkI Combat Master was the first commercial compact .45 ACP 1911, overcoming significant technical challenges in timing and mechanics. It featured innovative solutions like a dual recoil spring system and a flared barrel without a bushing, which later became an industry standard. Its compact design and historical significance, including its appearance in 'Miami Vice', make it a notable firearm.

Quick Summary

The Detonics MkI Combat Master was the first commercial compact .45 ACP 1911, overcoming significant technical challenges. It featured innovative solutions like a dual recoil spring system and a flared barrel without a bushing, which later became an industry standard for compact 1911s.

Chapters

  1. 00:00Introduction to the Detonics MkI
  2. 01:10Pat Yates and Early Compact 1911s
  3. 02:53Formation of Detonics
  4. 04:11External Features & Magazine Design
  5. 05:22Ergonomic Innovations
  6. 06:52Internal Mechanics: Recoil System
  7. 08:01The Flared Barrel Design
  8. 09:25Legacy and Pop Culture

Frequently Asked Questions

What made the Detonics MkI Combat Master significant in firearm history?

The Detonics MkI Combat Master was the first commercially produced compact .45 ACP 1911 pistol. It successfully addressed the technical challenges of miniaturizing the 1911 platform, paving the way for future compact designs.

What were the key innovative features of the Detonics MkI?

Key innovations include a dual, counter-wound recoil spring system for managing slide velocity and a flared barrel design that locks directly into the slide, eliminating the traditional barrel bushing. It also featured ergonomic enhancements for concealed carry.

Who was Pat Yates and what was his role in the Detonics MkI's development?

Pat Yates was an explosives enthusiast who, in the mid-1960s, began modifying 1911 frames to create more concealable versions. Detonics later acquired his patent, building upon his foundational work for their compact pistol.

How did the Detonics MkI differ from a standard 1911?

The MkI featured a shorter 3.5-inch barrel, a 6-round magazine with a unique follower tab protrusion, a forward-mounted rear sight, and a flared barrel without a bushing. Its internal recoil system was also significantly different.

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