M2 60 mm Mortar barrel made from ordnance steel. The barrel is smoothbore in profile and has a fixed firing pin in the base of the barrel. A ball and socket arrangement that fits into the baseplate is ...

MORTAR M1 & M2 SHELL, ILLUM., M83A1 W/FUZE ... The mortar, which looks sort of like an automobile jack, is carried to a suitable launch site and assembled so its barrel points upward.