Are you using Dillon dies with the press? The Dillon sizing die incorporates a spring-loaded de-capping pin that compresses when pushing the primer out. When primer clears the pocket the de-capping pin snaps down shaking the primer off the pin.
If you already have the Dillon die remove the de-capper assembly, thoroughly clean it and re-install.
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Gunsmithing since 1961
Last edited by Alk8944; 03-19-2017 at 07:37 PM.
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