I would say that right now it’s 5.7 Johnson.
But there’s the 45 win mag in an M1 carbine and a couple of automag IV’s
The 30 carbine in a calico, ragging 30, M1 carbine pistol, M1 carbine, and a couple automag III’s.
There’s the sako bolt action pistol in 250 savage.
I can’t decide, maybe list a...