ok i have a slug barrel for my mossberg 500 with the cantilever(sp) scope base on it...my county i live in from the looks of it is going to be special regulations with more doe seasons and shotgun only...can i mount a scope on it in october sight it in hunt with it and take the barrel off and small game hunt with the gun and then put the slug barrel back on for deer season and know its still on? ordo i have to shoot it and make sure or what?? thanx alot...