The EM-81 mortar is a powerful weapon for small battle units, intended for destroying the manpower and firearms of the enemy, located in the open in hasty shelters and behind barriers. The mortar contributes to the higher effectiveness of firing, it is a reliable means for accompanying the infantry, and is successfully used in guerilla operations. The possibility of dismantling the mortar makes it easily portable by the crew, as well as allows its deployment and taking up a position in difficult terrains, It is equipped with an MPM-44R optical sight, that provides aiming in both horizontal and vertical planes. A special lighting facility is used in the nighttime or in case of poor visibility.