i have a good supply off ppu ammo i need to shoot up , found a small lot of 100 cases of winchester at a garage sale .

whats your favorite powder ?

i have 1 box of 125 grs .
5 boxes of 150 gr
3 boxes of 174-180 gr


these are unmolested iron sight rifles pie plate accuracy is expected but playing card is what im after .

i have a pretty good amount of H4895 , 414 and bl-c2

favorite brass ? worth getting a neck sizer die ?