Engineering:ARDE 40 mm under barrel grenade launcher

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Under Barrel Grenade Launcher, 40mm
TypeGrenade launcher
Place of originIndia
Service history
In service2010–present[1]
Used byIndian Army
Production history
DesignerArmament Research and Development Establishment[1]
Designed2010
ManufacturerOrdnance Factory Tiruchirappalli
Specifications
Mass1.5 kg (unloaded)
Length450mm
Barrel length350mm

Cartridge40x46mm
ActionSingle shot, Pump Action
Rate of fire5 to 7 round/min
Muzzle velocity250 ft/s (76 m/s)
Effective firing range28-400m
Maximum firing range400m
Feed systemBreech Loading
SightsVarious sights developed by ARDE for the launcher:
  • Post type foresights
  • Ladder sight with 50m steps
  • Illuminated bubble sight for indirect firing
  • Tritium illuminated sight for night firing.[2]

The 40 mm Under Barrel Grenade Launcher, is a single shot grenade launcher developed by ARDE and Ordnance Factory Tiruchirappalli[1] for use with the INSAS and AK-47 rifles used by the Indian Army. Stand alone versions of the grenade launcher exist.[2]

Design

The 40mm UBGL can be attached to Indian INSAS and AK-47 rifles, and has a 3-point attachment for rigidity. The UBGL has an in-built safety to prevent accidental firing. The trigger system is located on the side of the barrel, allowing the soldier to fire both the rifle and grenade launcher without having to change his firing posture.[2] Its maximum range is 400 meters.[3]

The weapon uses a simple ladder sight mechanism, similar to the GP-25. It also has tritium illuminated sights for night firing. The ammunition fired by the UBGL, is similar to the Milkor MGL used by the Indian Army, allowing for standardisation.[2]

References