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DC
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| Posted: Sun Jul 5th, 2009 03:16 AM |
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.45 COLT
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Some testing by Hodgdon back in the mid '70s show that with two identical loads, with one roll-crimped and the other star-crimped, the roll-crimped shell will have a slightly lower muzzle velocity. In the data I've seen, the difference isn't enough to make a large difference in the performance. I roll crimp some birdshot loads just because I like the looks of them. DC
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