I have brought a mauser 43 mould for my 1871/84 mauser however the wt of this bullet head is 340g, I have been using a 370g bullet head made for me.
as I have been using a 70 grains of fine black powder with the 370g head, will I need to change the wt of powder when shooting the 340g head
so I hit the same area at 100yrds with the new wight bullet.
hope you understand what I am asking.
thanks
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