UNCC...

Glad you understand the physics, I think many who hunt turkeys do not... With the Winchester loads (which I do shoot) my personal experience has been that the HiV greatly outperform the XX' s in both distance and patterning. But I shoot an old cannon and only go to 35 yards.

If you' re worried about misjudging distance, I think I would suggest finding a load in 4 shot that patterns well out of your gun.

My cannon throws 4 shot about as well as I sling steel bearings if ya' know what I mean..