If they are decoying I would use 7 1/2 trap loads and mod and full .
If they are not decoying good I would shoot a fast 1 1/4 oz load of 6 with mod and full or full and full.
My load for that stuff is a 1 1/4 oz of 6 in a Fed gold medal case using Longshot Powder at 1440 fps (Hodgdon)