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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Crimp-Velocity
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<blockquote data-quote="coop2564" data-source="post: 2792311" data-attributes="member: 87214"><p>Lee FCD will give you better and more consistent neck tension, been using for years, it will increase pressure slightly. So don't crimp a load worked up at max without crimp and expect it to shoot okay. I don't really see a overall velocity change from crimped max to uncrimped max. But I see a charge weight change to get max velocity and pressure. Crimped loads reach max with slightly less powder. I'm talking Lee FCD crimp. YMMV</p></blockquote><p></p>
[QUOTE="coop2564, post: 2792311, member: 87214"] Lee FCD will give you better and more consistent neck tension, been using for years, it will increase pressure slightly. So don't crimp a load worked up at max without crimp and expect it to shoot okay. I don't really see a overall velocity change from crimped max to uncrimped max. But I see a charge weight change to get max velocity and pressure. Crimped loads reach max with slightly less powder. I'm talking Lee FCD crimp. YMMV [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Crimp-Velocity
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