I want to set up my Gen4 G21 to shoot 45 super for woods carry/hunting. I think I have a good understanding on what I need, anyone have any other suggestions? 6" storm lake barrel gen3 guide rod adapter gen3 guide rod (captured or not?) 22 or 24 pound spring? wolff plus power mag springs Anything else I need, or any specific brands I need to look at? Any input form someone who has done this would be great.