American Viven-Bessières WW1 Grenade Launcher

Published on November 26, 2017
Duration: 8:28

This entry details the American Viven-Bessières (VB) grenade launcher, a WWI-era weapon discussed by Ian McCollum of Forgotten Weapons. It covers the unique 'bullet-through' firing mechanism, differences between French and US models (M1917 series), rifle compatibility (Enfield vs. Springfield), operational ranges, and historical context. The guide emphasizes safety, particularly regarding ammunition types and training angles, and notes its limited service through WWII.

Quick Summary

The American Viven-Bessières (VB) M1917 grenade launcher, standard for US forces in WWI, utilized a unique 'bullet-through' mechanism. A live cartridge's bullet ignited the grenade's fuse, and expanding gases propelled it. It was adapted for .30-06 Springfield and had variants for M1917 Enfield and M1903 Springfield rifles.

Chapters

  1. 00:00Introduction to the Viven-Bessières Launcher
  2. 00:40The Era of Rod Grenades
  3. 01:30Development of the Cup Launcher
  4. 02:08The 'Bullet-Through' Mechanism
  5. 03:01US Adoption and M1917 Variants
  6. 04:41Enfield vs. Springfield Models
  7. 06:21Training Challenges and Wooden Bullets
  8. 07:24Service History and Auction Details

Frequently Asked Questions

How did the Viven-Bessières grenade launcher work?

The Viven-Bessières (VB) launcher used a unique 'bullet-through' system. A live ball cartridge was fired, its bullet passing through a central hole in the grenade, igniting the fuse. The expanding gases then propelled the grenade from the launcher's cup.

What were the main differences between French and US Viven-Bessières launchers?

The US adopted the VB launcher and developed the M1917 series, modifying it to handle the higher pressure of the .30-06 Springfield cartridge compared to the French 8mm Lebel. Specific versions were made for M1917 Enfield and M1903 Springfield rifles.

What were the safety concerns with early grenade launchers?

Early rod grenades were dangerous if a live cartridge was accidentally fired, causing barrel wear and potential catastrophic failure. The VB's cup design and controlled firing mechanism improved safety, though training with live ball at high angles still required caution.

Where can I see an example of the M1917 Viven-Bessières grenade launcher?

An example of the M1917 Viven-Bessières grenade launcher in excellent condition was featured at the Rock Island Auction Company, highlighting its historical significance and collectible value.

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