M1915 Howell Automatic Rifle Enfield Conversion

Published on March 28, 2017
Duration: 15:15

The M1915 Howell Automatic Rifle is a rare WWI conversion of the Lee-Enfield SMLE into a semi-automatic rifle. It features a unique side-mounted gas piston system that automates the bolt action via a camming mechanism. Modifications include a 20-round trench magazine, a disconnector safety, a pistol grip, and offset sights due to the obstruction of the rifle's centerline by the gas system.

Quick Summary

The M1915 Howell Automatic Rifle is a rare WWI conversion of the Lee-Enfield SMLE into a semi-automatic rifle. It utilizes a side-mounted gas piston system with a camming mechanism to automate the bolt action, featuring a 20-round magazine and offset sights.

Chapters

  1. 00:21Introduction to the Howell M1915
  2. 01:38WWI Semi-Auto Rifle Context
  3. 04:22Mechanical Operation: Gas Piston System
  4. 06:17Magazine and Trigger Modifications
  5. 07:31Ergonomics and Offset Sights
  6. 09:44Range Testing and Performance

Frequently Asked Questions

What is the M1915 Howell Automatic Rifle?

The M1915 Howell Automatic Rifle is a rare World War I conversion of the bolt-action Lee-Enfield SMLE into a semi-automatic light support rifle. It features a unique gas piston system to automate the cycling of the action.

How does the Howell M1915 convert a bolt-action Enfield to semi-automatic?

It uses a gas piston bolted to the side of the stock. Gas pressure drives the piston back, which has a cammed surface that rotates the bolt handle, unlocking and cycling the action automatically.

Why were semi-automatic rifles not adopted by the British in WWI?

The British military prioritized hand grenades and light machine guns for trench warfare, viewing semi-automatic rifles as an unnecessary middle ground that didn't fit their established doctrine for infantry support.

What modifications were made to the Howell M1915 for its semi-automatic function?

Modifications include a side-mounted gas piston, a modified trigger group with a disconnector safety to prevent out-of-battery firing, a pistol grip, a face shield, and offset sights due to the gas system's obstruction.

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