hi, i've done some test with my 3 frame NH 32 in 10 with .035 choke and i found that 1 1/2 oz of 6# shot produced the best patterns in my gun. i was shooting 86%( 293 out of 340 at 40 yds) and at 30 yds it shot only a little better 94% 320 out of 340. 4's shot around 76% and would have killed him just as dead but i like hitting him with 25 in the head and neck instead of 6 or 8 with 4's. that is just the way my gun shoots this load. i use 209 win. primer , 34 grs of 4756, sp 10 wad,one .125 16 ga nitro card,10ga over card and roll crimp in a fed hull 2 7/8ths. i think it is around 7000 psi ,good luck and keep use posted
scott