Billy:
Go to
http://www.16ga.com/forum/viewforum.php?f=2. These guys are a wealth of 16ga. knowledge.
I found a recipe for a 7/8oz. load which I have modified to a 3/4oz. load using a black RGL hull, 15.5gr. 20/28, DR16 wad and a WW209 primer. I have'nt shot a 1oz. load in years and with the performance of the light loads I don't miss them one bit. Your mileage may vary.