8mm RM brass to 7STW ?

LouisianaHunter

Well-Known Member
Joined
Jun 26, 2021
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112
Location
Louisiana
Got my hands on some 8mm RM brass . To make it 7STW is it as simple as lubing it and running it through a full length sizing die, or are there other steps ? Need a little advice from someone with experience . Thanks in advance.
 
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