Before the Lewis Gun was the McClean Automatic Rifle

Published on October 18, 2019
Duration: 16:39

This video explores the rare 1919 McClean Automatic Rifle, a late design by Dr. Samuel McClean, whose earlier work influenced the Lewis Gun. It details McClean's background as an inventor, the struggles of his company, and the rifle's unique features like dual triggers and a gas-operated system with interrupted thread bolt lugs. The prototype, tested by the US Navy, is likely the sole surviving example.

Quick Summary

The McClean Automatic Rifle is a rare 1919 select-fire firearm by Dr. Samuel McClean, whose earlier work influenced the Lewis Gun. It features a gas-operated system with a rotating bolt, dual triggers for semi/full auto, and bottom ejection. Tested by the US Navy, it's likely the only surviving example.

Chapters

  1. 00:00Introduction: McClean Automatic Rifle
  2. 00:25Dr. Samuel McClean's Background
  3. 01:13McClean Arms Company & Investors
  4. 02:05Early Designs & Lewis Gun Connection
  5. 04:21The 1919 Air-Cooled Design
  6. 05:06External Features & Controls
  7. 06:50Internal Mechanics & Bolt System
  8. 11:08Gas System & Barrel
  9. 14:32Navy Trials & Legacy

Frequently Asked Questions

What is the McClean Automatic Rifle?

The McClean Automatic Rifle is a rare, select-fire firearm designed by Dr. Samuel McClean around 1919. It's notable as a late design by the inventor whose earlier work influenced the famous Lewis Gun. This prototype was tested by the US Navy.

Who was Dr. Samuel McClean?

Dr. Samuel McClean was a medical doctor from Iowa and a prolific inventor with 36 US patents. He focused on firearms development, including muzzle brakes, automatic cannons, and machine guns, eventually leaving medicine to pursue this passion.

What is the connection between the McClean Automatic Rifle and the Lewis Gun?

Dr. Samuel McClean's earlier designs and patents formed the basis for the Lewis Gun. After McClean's company failed, Isaac Newton Lewis was brought in to evaluate these patents, leading to the development of the iconic Lewis Machine Gun.

What are the key technical features of the 1919 McClean Automatic Rifle?

The 1919 McClean rifle is gas-operated with a rotating bolt featuring interrupted thread locking lugs. It has dual triggers for semi-auto and full-auto fire, bottom ejection, and an air-cooled, knurled barrel. The original drum magazine is missing.

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