Original Rare French WWI & WWII Viven-Bessière “VB” Rifle Fragmentation Grenade - Inert French Ordnance so most likely this was

so most likely this was a rifle used a lot for parade blank firing

which measures a very displayable 27" x 39"

This is the very type map used by German bomber navigators during WWII

Pressing the weapon's two trigger guards opened the breech block and allowed the user to insert a cartridge

Original Rare French WWI & WWII Viven-Bessière “VB” Rifle Fragmentation Grenade - Inert French Ordnance so most likely this wasOriginal Item: Only One Available. The Viven Bessires rifle grenade was an infantry weapon in use with the French Army from 1916 onwards. Also known as the "VB" grenade, it was named after its inventors, and officially referred to as the "Viven Bessires shell" in the French Army instruction manual. The grenade launcher system consists of two elements, the discharger (Launcher) and the projectile (grenade). Like all deactivated ordnance, this grenade