Ill second the possibility of the clay buster 3\4 oz wad if you are really looking for low recoil due to the shoulder injury in a light gun.
I load a huge number of 7\8 shells in the grey clay buster wad Win AA12L copy but have tried the 3\4 for younger shooters. Wont cycle an auto but fine in a pump or OU.
Any where you find shotguns being fired you will find rem gun club hulls in the trash can. These load very well and crimp nicely. Same data as the STS Rem hull.
Thru a mod choke that light load will take care of the job if you do your part.
PM me if you need a sample pack of wads, hulls and some shot.
