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RGM-40 Kastet
Type Grenade launcher
Place of origin Russia
Service history
In service 1997
Used by Russian Interior Ministry
Production history
Designer V.N. Teles
Designed 1997
Weight 2.5 kg
Length 615 mm (24.2 in)
stock extended
368 mm (14.5 in)
stock retracted
Barrel length 129 millimetres (5.1 in)

Cartridge VOG-25, VOG-25P, GRD-40 and "Gvozd" (Nail)
Caliber 40mm Grenade
Action Muzzle loader
Rate of fire 5–6 rpm aimed shots
20 rpm area suppression
Muzzle velocity 76.5 m/s (251 ft/s)
Effective firing range 250 meters
Feed system Single shot
Sights Flip-up tangent sights

The RGM-40 Kastet (English: Brass knuckles) grenade launcher is a stand-alone version of the Russian GP-30 grenade launcher with a telescoping stock, AK-type pistol-grip and flip-up tangent sights.[1] It is a single-shot muzzle loaded weapon with a self-cocking trigger mechanism and offers a high degree of commonality with the GP-30.[1] It was designed primarily for police use and can use a wide range non-lethal ammunition (e.g. tear gas, stun grenades, etc.).[1] It can also use standard 40mm VOG-25 and VOG-25P fragmentation grenades.[1]


See also[edit]