| Year | 1916 |
| Weapon Type | Rifle Grenade Launcher |
| Origin & Designer | France/Vivien-Bessière |
| Numbers Produced | [@numbers_produced] |
| Crew | [@crew] |
| Calibre | 50mm |
| Elevation | [@elevation] |
| Traverse | [@gun_traverse] |
| Cartridge Weight | 475g Grenade |
| Round Weight | [@round_weight] |
| Barrel Length | [@barrel_length] |
| Overall Length | [@length] |
| Grenade Types | HE Grenade |
| Mount | [@mount] |
| Combat Weight | 1.500g |
| Operation | [@operation] |
| Cooling System | [@cooling] |
| Sights | [@sights] |
| Feed | [@feed] |
| Practical Rate of Fire | [@practical_rate_of_fire] |
| Maximum Rate of Fire | 4 r.p.m. |
| Blank Cartridge | [@blank_cartridge] |
| Muzzle Velocity | [@muzzle_velocity] |
| Fuel Capacity | [@fuel_capacity] |
| Minimum Range | 80m |
| Effective Range | [@effective_range] |
| Maximum Range | 170m |
| Armour Penetration | [@armour_penetration] |
| Bayonet | [@bayonet] |
| Traction | [@traction] |
| Variants | [@variants] |
| Notes | Developed during the first world, the VB Grenade Launcher was still in use in 1940, it could be attached to both the Lebel mle 1886 and MAS mle 36, and they were issued at 16 per Infantry Company. |