Pedersen Selfloading Rifle

Published on November 17, 2014
Duration: 13:15

The Pedersen Selfloading Rifle, designed by John Pedersen, was a primary competitor to the M1 Garand in US military trials. It featured a unique toggle-locked, delayed blowback action and was chambered in .276 Pedersen. Despite its advanced design, it was ultimately passed over for the M1 Garand due to logistical concerns and a mandate to stick with the .30-06 caliber.

Quick Summary

The Pedersen Selfloading Rifle, designed by John Pedersen, was a .276 caliber competitor to the M1 Garand. It featured a unique toggle-locked, delayed blowback action but required lubricated cartridges, a factor contributing to its rejection by the US military in favor of the Garand.

Chapters

  1. 00:19Introduction: Pedersen Rifle vs. M1 Garand
  2. 01:22Handling and Mechanism Complexity
  3. 02:02Receiver Markings and Manufacturer
  4. 02:25Toggle-Locked Delayed Blowback Action Explained
  5. 04:44Unique Safety and Aperture Sights
  6. 06:50Cartridge Lubrication Requirement
  7. 08:19.276 Pedersen vs. .30-06 Caliber Debate

Frequently Asked Questions

What was the Pedersen Selfloading Rifle?

The Pedersen Selfloading Rifle was a semi-automatic rifle designed by John Pedersen and manufactured by Vickers-Armstrong Ltd. It was a primary competitor to the M1 Garand in US military trials during the 1920s and 30s, chambered in the .276 Pedersen caliber.

What type of action did the Pedersen rifle use?

The Pedersen rifle employed a unique toggle-locked action that functioned as a delayed blowback system. This mechanism was designed to manage the chamber pressure of the .276 caliber cartridge, delaying the bolt's opening until pressure dropped.

Why was the Pedersen rifle not adopted by the US military?

Despite its advanced design, the Pedersen rifle was not adopted primarily because the US military, influenced by General Douglas MacArthur, decided to stick with the .30-06 caliber for logistical and financial reasons. The M1 Garand was more easily adapted to this existing standard.

What was unique about the Pedersen rifle's ammunition requirement?

The Pedersen rifle's delayed blowback action necessitated that its cartridges be coated in a thin layer of hard wax for reliable extraction. While effective, this requirement for lubricated ammunition was a significant drawback in the eyes of the military.

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