Shotgun shells
Shotguns don't use bullets. Do you mean without a case or non lethal projectiles? If so, yes they have caseless ammunition.
Remington makes a variety of rifles and shotguns using various sizes of ammunition.
Shotguns
Look on the barrel, it will be marked with the correct ammunition.
Have it examined by a gunsmith
7.62x 39mm
Could you be a little more specific? There are lots of rifles considered large caliber, therefore there are all sorts of ammunition.
Kurt Fackler has written: 'Reloading for shotgunners' -- subject(s): Shotguns, Handloading of ammunition
They now use assault rifles , hunting rifles , shotguns , handguns and bladed weaponry
Those that are marked for 9mm ammunition. Shotguns, rifles, handguns all have been or are chambered for 9mm
Buckshot shells for shotguns ARE being sold- bought some today. However, ALL ammunition has beenin short supply due to more people buying more ammunition.
Any Winchester 308 ammunition will work for you.