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Rifles, Reloading, Optics, Equipment
Reloading
Crimp or No Crimp?
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<blockquote data-quote="J E Custom" data-source="post: 1548921" data-attributes="member: 2736"><p>Crimping is at it's best when used on heavy recoiling rifles with heavy bullets and cases with thin necks/mouths. Thin necks cant exert enough tension to hold the bullets well and they can shift position. Straight sided cases are known for this and the reason most recommend crimping on these cartridges.</p><p></p><p>Before we had the variety of powders we have today, some magnums benefited from crimping because it contained the bullet milliseconds longer improving the powder burn. Also at one time, lots of bullets came with a cannelure for this reason. Now that we have the variety of powers and better dies, there is very little advantage in crimping to most calibers/cartridges. But some still require crimping for best performance.</p><p></p><p>The best thing to do is test the rifle with and without crimping To find out if it benefits the performance. (Accuracy and/or velocity)</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1548921, member: 2736"] Crimping is at it's best when used on heavy recoiling rifles with heavy bullets and cases with thin necks/mouths. Thin necks cant exert enough tension to hold the bullets well and they can shift position. Straight sided cases are known for this and the reason most recommend crimping on these cartridges. Before we had the variety of powders we have today, some magnums benefited from crimping because it contained the bullet milliseconds longer improving the powder burn. Also at one time, lots of bullets came with a cannelure for this reason. Now that we have the variety of powers and better dies, there is very little advantage in crimping to most calibers/cartridges. But some still require crimping for best performance. The best thing to do is test the rifle with and without crimping To find out if it benefits the performance. (Accuracy and/or velocity) J E CUSTOM [/QUOTE]
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Reloading
Crimp or No Crimp?
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