ok, first m not trying to start up any arguements. and secondly i'm not sure this is in the correct forum. but i live near a local state game area for ducks and geese. they allow small game hunting, but you have to use steel shot.. so, i want to go squirrel hunting, but here's the deal, i have a NEF pardner 20gauge. mod choke.. can i , or will it , hurt my gun in any way to use steel shot, say no. 6 in my gun ?