Real talk, get 45/70 rounds and put them in that .410. Shit will stop a mack truck. No lie
Oh I forgot to add, you're going to want a recoil pad, old suede gummy tan soles work really well for DIY
Free if you waited. Lots of them were passed down from vets.
Speaking of which, I have a Mossberg 500 that my basic research leads me to believe its probably a late 70's/early 80's gun. I still have not found the serial number. I could google where it is but I figure, if i haven't learned my weapon well enough to readily identify it, i need more education about it and practice with it.
It's a slang term for search it online, use fucking duck duck go or something then, I'm not that paranoid