Back in the 80's, 788's in .30-30 were the hot ticket for many cast bullet bench rest shooters in Production Class, Cast Bullet Association. 'Nuff said.
I would blush to tell you how small the groups sometimes are with my 54 Winchester shooting certain cast bullet loads, when I have my 10X Fecker target scope clamped to it. When using the Lyman receiver sight it'll still often do ten cast bullets in 1½-1¾ @ 100. (Off the bench, not the hind legs- but clay birds aren't safe at 100 off the hind legs.)