From the Vault: Johnson Model 1941 Machine Gun

Published on March 27, 2020
Duration: 5:09

This video provides an in-depth look at the rare Johnson Model 1941 Light Machine Gun, highlighting its unique design features and historical context. The presenters, Keith and Steve Ostrom from Rock Island Auction, discuss its select-fire capability, short recoil rotating bolt system, and adjustable rate of fire. They also touch upon its competition with the Browning BAR and its limited service with US forces, particularly in the Pacific Theater.

Quick Summary

The Johnson Model 1941 Light Machine Gun is a rare select-fire rifle featuring a short recoil rotating bolt and an adjustable rate of fire (200 or 600 RPM). It fires .30-06 Springfield from a 20-round rotary magazine and was used by US forces in the Pacific Theater.

Chapters

  1. 00:08Introduction to the Johnson M1941 LMG
  2. 00:20Unique Select-Fire Design
  3. 01:05Select-Fire Operation: Semi-Auto vs. Full-Auto
  4. 01:14Open Bolt Firing in Full Auto
  5. 01:24Closed Bolt Firing in Semi-Auto
  6. 01:30Adjustable Rate of Fire Explained
  7. 02:02Magazine Design and Capacity
  8. 02:35Swappable Barrel Feature
  9. 03:10Production Numbers and Military Service
  10. 04:08Bipod and Sight Features
  11. 04:34Conclusion and Thanks

Frequently Asked Questions

What makes the Johnson Model 1941 Light Machine Gun unique?

The Johnson M1941 LMG is unique for its select-fire capability, short recoil rotating bolt system, and an adjustable rate of fire that could be set to 200 or 600 rounds per minute. It also features a distinctive rotary magazine and a swappable barrel.

How does the Johnson M1941 LMG operate in different firing modes?

In full-automatic mode, the Johnson M1941 fires from an open bolt, which helps with cooling and prevents cook-offs. For semi-automatic fire, it operates from a closed bolt, ensuring more precise shots.

What caliber and magazine capacity does the Johnson M1941 LMG use?

The Johnson Model 1941 Light Machine Gun is chambered in .30-06 Springfield. It utilizes a single-stack rotary magazine that holds 20 rounds.

What was the production and service history of the Johnson M1941 LMG?

Approximately 9,200 Johnson M1941 LMGs were produced. They saw limited service with the US military, notably in the Pacific Theater with units like the Marine Raiders.

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