Cartridge History: The .451 Detonics Magnum is a Supercharged .45 ACP

Published on May 24, 2024
Duration: 17:00

The .451 Detonics Magnum was a powerful, custom cartridge developed by Detonics in the early 1980s, aiming to significantly increase the .45 ACP's performance. It utilized thicker .45 Winchester Magnum brass, cut down, to handle much higher pressures, achieving a 30% velocity increase. Detonics pistols like the Scoremaster were modified with dual recoil springs and buffers to manage this power. Despite its technical success, the cartridge failed commercially due to a lack of factory ammunition, paving the way for successors like the .45 Super and .460 Rowland.

Quick Summary

The .451 Detonics Magnum was a custom cartridge developed by Detonics in the early 1980s, designed as a 'supercharged' .45 ACP. It used thicker .45 Winchester Magnum brass to handle higher pressures, yielding about 30% more velocity. Despite technical success in Detonics pistols like the Scoremaster, it failed commercially due to a lack of factory ammunition.

Chapters

  1. 00:00Intro: .451 Detonics Magnum - Supercharged .45 ACP
  2. 02:08Detonics Company History & Combat Master
  3. 02:58.45 ACP Pressure Limitations Explained
  4. 04:44Development of the .451 Detonics Magnum Cartridge
  5. 08:32The Detonics Scoremaster Pistol
  6. 11:13Technical Modifications for .451 Magnum Power
  7. 13:09Commercial Legacy & Successors (.45 Super, .460 Rowland)

Frequently Asked Questions

What was the .451 Detonics Magnum cartridge?

The .451 Detonics Magnum was a custom firearm cartridge developed in the early 1980s by Detonics. It was essentially a 'supercharged' .45 ACP, designed to handle significantly higher pressures and achieve greater velocity by using modified .45 Winchester Magnum brass.

Why was the .451 Detonics Magnum developed?

It was developed as part of a trend to increase the power of the .45 ACP cartridge. Detonics aimed to create a more potent round for their high-performance pistols, overcoming the pressure limitations of standard .45 ACP ammunition.

What made the .451 Detonics Magnum different from .45 ACP?

The key difference was the brass case; .451 Detonics used thicker .45 Winchester Magnum brass, cut down, allowing it to safely handle much higher pressures (around 30% more velocity) than the standard .45 ACP, which has thinner brass and lower pressure limits.

Did the .451 Detonics Magnum succeed commercially?

No, the .451 Detonics Magnum did not achieve commercial success. The primary reason was the lack of widely available factory-produced ammunition, making it difficult for the average shooter to adopt.

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