+1 on Doug's comment.
FWIW - I'm old, with old eyes, but I can get 1 to 1 1/2 inch groups, from a rest, at 25 yards with my .38 Super.
I am loading Billy Bullets, 160 gr. sized .357, over 3.3 gr Solo 1000 with an OAL of about 1.295. Power factor right at 130.
ANY bullet sized under .357, including jacketed types, group like a shotgun from my revolver.