Currently shooting a CZ Mallard O/U 20 (double triggers) with an extended Turkey choke and a slightly less extended Improved Mod choke (same manufacturer). The only weird thing is that the POI made a huge difference which barrel had which choke. Put the tight in the top and more open in the bottom and the POI was pretty far apart. Switched it up and they are perfect - the bottom tight choke is dead on at 40 and the more open choke is dead on at 20. I use a Holosun optic and can aim at the same POA (my natural spot where the caruncles meet the feathers). So if you are not happy with the POI at first, try switching barrels. My nephew has same gun and his was fine with the tight choke in the top. Weird. I smoked one at about 30 yards with the turkey choke already this year.
