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Posted: 1/14/2017 4:38:23 PM EDT
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I've reloaded .223 for semi-auto rifles going on 35 years now. I've never needed a small base die yet, for over forty different rifles during that time frame. You will want Hornady's Lock-N-Load cartridge headspace gage or RCBS/Mo Defina's fine gages that measure headspace of your fired and resized cases in .001" increments. These tools take the guesswork out of setting up your dies.
Bump the fired case shoulder back at least -.003" from the fired measurement. I use -.004" for an added measure of clearance. |
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