Bad things can happen to good guns.
Give any weapon a barrel obstruction and it might be the end of you also.
Check out what happens when a shotgun gets a barrel obstruction.
What about firing a 12 gauge shotgun with a live 20 gauge shell lodged in the barrel? That screw up will also cost you. Now how about firing an overloaded shotshell from your buddy Bubba that uses a whiskey glass to pour powder from as his measure? Also a really bad idea…