The final version of the EFSS weapon system consists of two Prime Movers, the RT 120 / M327 rifled towed mortar, an ammunition trailer, and the fire control equipment.
12.
It usually towed an ammunition trailer ( " Sd . Ah . 51-Sonderanh�nger " & mdash; special single-axle trailer ) with 640 more rounds, the gun's sights and its rangefinder.
