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Old 11-20-2017, 12:13 PM
johnfg johnfg is offline
Join Date: Oct 2017
Posts: 17
Default .308 Win headspace

Still some things about headspace that I don't understand. The fired cases from both my Winchester model 70, and my son's Ruger American are virtually the same. Headspace measures 1.621, which is less than the minimum (as I read and look at it) on the Saami drawings. Saami shows on the cartridge drawing: 1.634-.007. Even brand new Remington brass measures a headspace of 1.620! Please help me to understand when comparing the drawings and the specifications, to the actual headspace. Regardless of the drawings, I've been setting the headspace back about .002.

Thanks for any help and/or explanations.
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