I like Briley on the upper end and Carlson on the lower end. I went with Briley on the M2 and Carlson for my Franchi and Mossberg. Frankly I’d stick with Carlson if I had to do it again. I have the following extended choke sets for each shotgun: CYL, IC, LM, M, IM, F, EF. Yes, I like my chokes.