yes. mortars rounds, naval gun rounds, arty rounds, grenades,
claymore mines, generally work the same way. Using shrapnels, area
target, to compensate for their lack of accuracy.
generally mortar uses smaller rounds then arty guns, and navel guns
uses the largest rounds.
mortar 81mm, 120mm
gun 120mm, 155mm, 160mm,
naval 12 inch (abt 305mm)