I saw pics and at museum havey mortars over 160 m.m. caliber. Theyr tubes are long and the bombs/projectiles are very heavy, so i have a question: how they are loaded? From the upper side, as the smaller ones (i have doubts about that), or from the down side?
Also i saw a russian/ex. soviet mortar Vassiliev, if i remember correct, who is automatic. Anyone knows more about this system?

Thanks,

Iama