I am wondering if anyone has compared the Midas full choke to the extra full as far as patterns go? Does the extra full have a more dense pattern at distance.
As a matter of fact I recently did this. Not in an ultra-scientific way with a large sample size of 15+ patterns, etc., but I had bought a Midas extra-full for handicaps and wanted to see it with my own eyes compared to the Midas full. Gun in question is a 34" BT-99.
I got some very large (pallet size) sheets of cardboard and did two shots each with full and X-full chokes at 42 yards. Each choke got one shot with Top Gun 7.5 @ 1,200, and another shot with AA 7.5 @ 1,200.
I wish I'd have saved the cardboard for you to take pictures, and/or counted pellets, but all it took was one glance to see that there was "a difference" between chokes. The X-full clearly had more pellets in the pattern and more density in the center, both with cheaper Top Gun and premium AA loads.
I know that's not scientific at the same level of some of the extraordinary analyses regularly posted on this forum, but it was enough for me to see a difference with my own eyes. It wasn't a huge difference, but it was significant enough that I didn't have to count holes.
Of course I realize that I shouldn't be surprised that "choking a gun tightens the pattern" (duh) but I was curious to see if I reached a point of diminishing (or negative) marginal returns when jumping from F to XF.
In my opinion, it's worth you buying an XF and trying for yourself if you're a long-range handicap shooter. Or if you frequent a sporting clays course where they occasionally like to frustrate you with a 40+ yard edge-on mini.
