SmallCaliberCentral

ditto on the tubbs final finish I'm in the process of doing all my rifles,less fouling ,easier cleaning,and tighter groups on 4 rifles so far,you do have to tweak your powder charges after tubbs to keep the same fps(smoother bore less pressure)

I just tried this load in my savage m12 lrpv
win brass
br-4
28.5 varget
32 gr v-max
coal 2.300
3805 fps

everyting the same but
coal 2.408 witch is .004 off the lands
3831 fps

sinclair part# is db-1850 20 cal flash hole debur