I have a 20 Guage New England Firearm. It was my first gun that I recieved when I was 11 years old. It has been in the back of my gun safe for years now every now and then I get it out and take it deer hunting. I was wondering if you could switch the barrels out on that like you do a T/C Encore and make it a centerfire rifle? I tried to look it up online but I couldnt find anything on it. Do any of you guys know if you can switch barrels out for these