RE: can 2 3/4 " slugg fit in 3" chamber
"Can 2 3/4 " slugg fit in 3" chamber??" Why coitinley!! But not vice versa!!
However, I'd sure like to see you get a 20-ga. shell in a .410 chamber!! Or even get a 28-ga. shellin a .410 chamber!
BTW, you are talking about SHOTGUNS here, NOT RIFLES!!