Forum: 300 Whisper Ammo and Reloading
04-12-2011, 01:44 PM
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Replies: 1
Views: 842
Your first firing of brass can cause it to...
Your first firing of brass can cause it to actually shrink as the case is fireformed to the chamber.
If you are shooting a benchrest match, then yes case length and neck tension matter. It may...
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