Pangalacticgargleblasters for all!!
@kotuku 50 quid to a knob of goat turds if you chucked something like 8 grains of trail boss in front of a std primer and a projectile somewhere between 150-180 grns you wouldnt be far off the mark..... the .308win isnt that much different in case capacity so it could/should be a fairly good place to start...for the 7.62x39mm try some of Roberts awesome 151grn hoho hollow points and about 6 grns of trail boss.
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