Scalable Offensive Hand Grenade
The Scalable Offensive Hand Grenade is a type of hand grenade created by Norwegian-Finnish firm Nammo.
Design
The SOHG grenade is based on the HGO-115 non-modular offensive model hand-grenade.SOHG grenades are "stackable", meaning up to three can be configured and connected to increase blast power to provide overpressuring effects, while using the same fuze.
The base grenade has a non-removable, 3.5 second fuse and a body encasing of high explosive, so three connected grenades can have up to of blast force.
Adoption
In 2010, US SOCOM began fielding SOHG grenades under the designation Mk 21 Mod 0.In 2024, the U.S. Marine Corps received deliveries of the Mk 21 Mod 0 SOHG for their frontline infantry units.