Tags: Weapon.
The OTs-20 Gnom (Gnome) is a Russian revolver manufactured by the KBP Instrument Design Bureau. It uses a proprietary 12.5x40mm STs-110 cartridge developed from a 32 gauge shotgun cartridge. It can fire lead slug (STs-110-04) lead shot (STs-110-02) and armor-piercing steel-core slug (STs-110) cartridges as well as three types of non-lethal ammunition.