Originally Posted By: ClapperZapper
Cartridges were 21gram Hull fibre wads. More than adequate for the task.


21g (3/4 oz) Hull Comp X fibre wad are a good cartridge for clays grounds since that are light in recoil for novices and as you have found 'do the business' for those more experienced. Many grounds seem to use them now.
I shoot all my clays with them now (mostly also from an AyA No 1)