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Rifles, Reloading, Optics, Equipment
Reloading
To crimp or not to crimp?
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<blockquote data-quote="goodgrouper" data-source="post: 157841" data-attributes="member: 2852"><p>If crimping gives lower SD's, than it simply means you're not using enough powder without crimping or you need a faster pressure curve powder to optimize harmonics. Or you need to increase bullet grip using a bushing die. That will increase neck tension and still maintain good concentricity. </p><p></p><p>Crimping makes your loaded ammo almost impossible to keep concentricities running good. </p><p></p><p>I only crimp my handgun ammo and I always use a taper crimp-never a roll crimp even at that. /ubbthreads/images/graemlins/wink.gif</p></blockquote><p></p>
[QUOTE="goodgrouper, post: 157841, member: 2852"] If crimping gives lower SD's, than it simply means you're not using enough powder without crimping or you need a faster pressure curve powder to optimize harmonics. Or you need to increase bullet grip using a bushing die. That will increase neck tension and still maintain good concentricity. Crimping makes your loaded ammo almost impossible to keep concentricities running good. I only crimp my handgun ammo and I always use a taper crimp-never a roll crimp even at that. [img]/ubbthreads/images/graemlins/wink.gif[/img] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
To crimp or not to crimp?
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