| Is Ranged: | yes |
| SB-40 LAG | |
| Type: | Automatic grenade launcher |
| Origin: | Spain |
| Designer: | Empresa Nacional Santa Bárbara |
| Design Date: | 1984 |
| Manufacturer: | Santa Bárbara Sistemas |
| Weight: | 341NaN1 |
| Length: | 9601NaN1 |
| Width: | 2001NaN1 |
| Height: | 2201NaN1 |
| Part Length: | 415mm |
| Cartridge: | 40x53mmSR |
| Caliber: | 40mm |
| Action: | Recoil operated, roller locked |
| Rate: | 215 rounds/min |
| Velocity: | 240m/s |
| Range: | Sights adjustable from 100 to 1500 m |
| Feed: | 24 or 32-round ammunition belt |
| Sights: | Leaf sight |
The SB-40 LAG is a 40 mm automatic grenade launcher developed and produced in Spain by the Empresa Nacional Santa Bárbara (EN SB) company (currently a part of the European Land Systems Group of General Dynamics).
Brazil: Used by Brazilian Marine Corps (Mounted on Piranha IIIC).[1]
Colombia: The Colombian Navy uses the SB-40 LAG grenade launcher installed on a turret on the ARC Juan Ricardo Oyola Vera riverine patrol boat.
Philippines: Used by the Philippine National Police Special Action Force either on tripod or mounted on light utility vehicles, and by Philippine National Police Maritime Group mounted on patrol crafts
Spain: used by the Spanish Army (Ejército de Tierra de España), Spanish Navy Marines and Guardia Civil Española.