No
No. Absolutely not.
Generally "Pellets" or "Shot" contained in "Shells". There are also solid shot "Slugs" similarly contained in "Shells". I'd use Shells ie "8 shotgun shells", unless you are specifying exactly the type.
Most commercially available shotgun shells come in boxes of 25.
Air soft shotgun shells are the size of 12 gauge shotgun shells.
Deer slugs are the shotgun shells to use when deer hunting.
If it isn't marked on the barrel, take it to any store that sells shotguns. If you also need to know what length of shells it can use, take it to a gunsmith and let him measure the chambers.
Find someone who reloads shotgun shells. They will relieve you of your inventory.
there is no minimum age to get a shotgun certificate but can only purchase a shotgun or shells if 18+ there is no minimum age to get a shotgun certificate but can only purchase a shotgun or shells if 18+
yes it does
You can use nothing but 410 shells in a 410 shotgun.
You need the services of a gunsmith