For centuries wars are being fought with contemporary weapons and in some instances with future or prototype ones. However some old weapons, older than their current users, are being utilized. The Ukraine war has shown that some very old designs can still be used. Machine guns from a century ago, bolt action rifles older than that, submachine guns designed for WW2, anti-tank rifles as relics of the same conflict are being used, in big numbers or some rare occasions. Each of these weapons tell u