I used TSS #9 run through a Stevens 301 20 gauge with a red dot scope. It was an experiment this year, try something other than 12 gauge auto.
I shot the TSS at 20, 30, 40, 65 yds.
Roughly 20 pellets in head and neck, with
the rest mostly from the neck up at 65 yds. Flipside, at 15 yards...