Design
The grenade was rectangular in shape and approximately 150 millimetres (5.9 in) in length and 75 millimetres (3.0 in) in width, and weighed about 1.02 kilograms (2.2 lb). Its explosive content consisted of around 0.45 kilograms (0.99 lb) of blasting explosive, which was usually either ammonal or TNT. On the top of the grenade was a plate, under which the user would insert a chemical igniter, which would act as the weapon's fuse. When a vehicle drove over the grenade, its weight crushed the plate, which in turn cracked the igniter; this then leaked acid onto a sensitive chemical which detonated the charge. The grenade was designed so that it could either be thrown at a vehicle like an ordinary anti-tank grenade, or used as an anti-tank mine. It was also fitted with areas where blasting caps or cordex could be placed, so that it could be used as a demolition charge. When the grenade was used, it was recommended that the user be within a short distance of their target, ideally concealed within a trench; if the target were an armoured vehicle, then the best areas to target were the sides and rear, where the engine compartment was located and armour was generally thinner.
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