There are 85 T's in a 1-5/8oz 10 gauge load or 117 BB's
Compared to 59 T's and 81 BB's in an 1-1/8oz 12 gauge load
So I'll get 6 more T's than most people have BB's, big difference, + the 10 patterns the big shot soo much better, + the 10 kicks a hell of a lot less than a 3-1/2" 12, which for me, is a horrible load to shoot in the field.
YES I am a recent 10 gauge convert.....