I like what you did with it.
I've been thinking about re-chambering one of the 30-30 barrels I have to 30-40 to step it up a little...
I’ve sometimes thought about re-chambering a 219 .22 Hornet barrel to .218 Bee, partly because I already load for it in my 14” Contender pistol. However, I would not be inclined to re-chamber a 219 .30-30 to .30-40, because it’s more than would be enjoyable to shoot in such a light rifle. When a step up is desired, I go to this heavier TCR83 in .30-06: