ARDE 40 mm Under Barrel Grenade Launcher Tags: Weapon.The 40 mm Under Barrel Grenade Launcher is a single shot grenade launcher developed by ARDE and Ordnance Factory Tiruchirappalli for use with the INSAS and AK-47 rifles used by the Indian Army. Stand alone versions of the grenade launcher exist. length (km) 0.45 weight (kg) 1500.0 origin India type Grenade launcher Learn more... Loading...