I have just rechamsbered a 376 Steyr to a 375 Ruger. I've slugged the barrel and it slugs last .373". It slugs .378" at the throat. So, am I looking at a .375", .377", or a .378" sizing die?
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I have just rechamsbered a 376 Steyr to a 375 Ruger. I've slugged the barrel and it slugs last .373". It slugs .378" at the throat. So, am I looking at a .375", .377", or a .378" sizing die?
Last edited by Sailormilan2; 12-12-2018 at 12:16 PM.
Seems tight but being Steyr it should be correct .375". what ever you used in the 376 will still work.
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I would go with the .378. It would fill the throat better, and easily swage down to whatever the bore eventually is.
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