There is a 7/8 oz.16 gauge wad by Claybuster. I use it with my 1oz. loads and it does the trick.
The wad has a little bump in the inside bottom that decreases the capacity.
https://www.ballisticproducts.com/Claybuster-CB0078-16-16ga-7_8oz-500_bag/productinfo/030CB7816/
I use the load data for the winchester wads.

Pete

Last edited by sxsman1; 12/11/22 12:45 PM. Reason: added information.