Quote:
Originally Posted by herr_oberst
A fitted bullet to a manufactured rifle with a hexagonal bore in the 1850's, '60's.
It's always slightly unreal to learn how smart people in all centuries have shaped our planet.
What must have been the process to first hold the barrel and then draw and twist a cutter (or a series of cutters) or dies in a repeatable way and maintain tolerances?
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Not hexagonal, but still happens today. I have a buddy who has been naughty, so he does muzzle loaders only. Including modern inlines, using smokeless powder (yes, they exist and this is a thing). For people shooting bullet to bore it is very common when having a barrel put on to use a couple inches of the cut off to make a barrel-specific sizing die. When it comes time to load, the bullet is pre-engraved with the rifling of *that* barrel, making loading very easy and shooting very accurate.