On all my single barrel shotguns Ithaca Model 37s, Remington 1100s Remington 11-87 Premiers, Remington 870 Wingmasters they all wear the Poly Choke ll.
I can go from X Full to Cylinder Bore with just a few clicks.
I have fired slugs, buckshot, bird shot, steel shot, hevishot and the new Winchester Blind Side out of these chokes with good patterns.
I cannot be bothered changing choke tubes.
People say Poly Chokes are ugly I don't think so I think extended choke tubes are ugly.
Plus if you are switching choke tubes its more tubes to clean.
The Poly cleans 1,2 3.
Each to their own try a shotgun with a Poly Choke before buying one you might like it.
Fred