1911 Hand Cannon :The 460 Rowland Conversion

Published on September 23, 2014
Duration: 16:08

This guide details the installation of a .460 Rowland conversion kit for the 1911 platform, transforming it into a powerful 'hand cannon'. The process involves replacing the barrel, recoil spring, and guide rod, and potentially adding a compensator. Expert instruction emphasizes the need for a robust 1911 frame due to the high pressures of the .460 Rowland caliber, recommending this conversion for hunting large game.

Quick Summary

The .460 Rowland conversion for the 1911 platform transforms it into a powerful 'hand cannon' by significantly increasing energy and velocity. Operating at 40,000 PSI, it requires a robust, heat-treated frame and includes components like a new barrel and heavier recoil spring. This conversion offers ballistics comparable to the .44 Magnum, making it suitable for hunting large game.

Chapters

  1. 00:00Introduction to .460 Rowland Conversion
  2. 00:58Designer Johnny Rowland's Goal
  3. 01:45.45 ACP vs .460 Rowland Pressure & Dimensions
  4. 02:58Ballistics Comparison: .44 Mag, .460 Rowland, 10mm, .45 ACP
  5. 04:36.460 Rowland Conversion Kit Components
  6. 05:38Hunting Applications & Glock/Springfield Compatibility
  7. 07:17Recoil Comparison: .45 ACP vs .460 Rowland
  8. 08:45Accuracy Testing at 10 Yards
  9. 09:16Step-by-Step Installation Guide
  10. 13:02Critical Frame Considerations for .460 Rowland

Frequently Asked Questions

What is the .460 Rowland conversion for a 1911?

The .460 Rowland conversion transforms a standard 1911 pistol, typically chambered in .45 ACP, into a .460 Rowland caliber firearm. This significantly increases power, energy, and velocity, effectively turning the 1911 into a 'hand cannon' suitable for hunting large game.

What are the key components of a .460 Rowland conversion kit?

A typical .460 Rowland conversion kit for a 1911 includes a new barrel (often with a built-in or attachable compensator), a heavier recoil spring, and a specific guide rod designed to handle the increased pressures and recoil of the .460 Rowland cartridge.

Is the .460 Rowland conversion safe for all 1911 pistols?

No, safety is paramount. The .460 Rowland operates at 40,000 PSI, far exceeding standard .45 ACP pressures. Only 1911 frames that are robust and properly heat-treated should be used for this conversion to prevent dangerous failures.

How does the .460 Rowland compare to the .44 Magnum?

The .460 Rowland aims to match .44 Magnum ballistics, delivering around 1,000 ft-lbs of energy with a 230gr bullet at 1,350 fps. This offers comparable power to many .44 Magnum loads but from a 1911 platform, which is often more compact than .44 Magnum revolvers.

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