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Don't overthink things.
.40 S&W headspaces on the mouth of the case. You don't want a roll crimp.
Either no crimp or use a taper crimp.
The taper/no crimp debate will probly go on as long as caliber debates.
Cars had moving parts in their ignition systems for a long time, too.
.40 S&W headspaces on the mouth of the case. You don't want a roll crimp.
Either no crimp or use a taper crimp.
The taper/no crimp debate will probly go on as long as caliber debates.
Cars had moving parts in their ignition systems for a long time, too.
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