The only commonly available 16 ga wad is the Remington 1-1/8 oz. blue wad. if you can't get the proper 1 oz Ballistic Products/Gulandi wads from Will Bilozir in time, the Remington wad can be reduced in capacity by adding a filler wad into the bottom of the shotcup. The 16 Ga. society has lots of information available for members who load for the queen of the uplands. 16ga.com