Armbrust (German: Crossbow) is a lightweight unguided anti-tank weapon designed and developed by Messerschmitt-Bölkow-Blohm of Germany, who later sold its manufacturing rights to Chartered Industries of Singapore (the predecessor of ST Kinetics).
The Armbrust is a recoilless weapon, and its design is one of the few weapons of its kind that may safely be fired in an enclosed space. The propellant charge is placed between two pistons with the projectile in front of one and a mass of shredded plastic in the rear. Unlike most recoilless weapons, it is a true counter-shot weapon as the mass of the projectile is equal to the mass of the counterweight and they are ejected from the barrel at the same initial velocity. When the weapon is fired the propellant expands pushing the two pistons out. The projectile is forced out the front and the plastic out the back. The plastic disperses upon leaving the back of the barrel, and is quickly stopped by air resistance. The pistons jam at either end of…
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