I just bought a Tac R1 .22LR. This was my first rifle buy. I was looking for something semi to full auto. Was told by the worker that this Tac R1 was fully automatic. Which upon firing it was not. Now I need to do some changes to make it to what I was expecting. With that I would like to make it to a 5.56/223 instead of a 22LR. So I'm wondering what kit I'd need or what I would need to change to do so? Or if it would be easier to just piece buy the 5.56/223 from scratch?