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Rifles, Reloading, Optics, Equipment
Reloading
Who crimps their bullets in the case?
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<blockquote data-quote="J E Custom" data-source="post: 1803570" data-attributes="member: 2736"><p>Crimping was/is important when using tubular magazines and any bullet that has a point. That's why most ammo for this type of firearm has flat point bullets. There are new bullets with polymer tips that should prevent this from happening. pointed bullets sometimes set off other rounds from striking the primer during recoil.</p><p></p><p>The old double rifles and dangerous game rifles that have heavy recoil were also bad about bullet movement from the recoil of preceding shots, so they crimped all their loads for safety. In this scenario, the bullets move forward and in bolt rifles could prevent the longer round from being chambered. the double rifles would jam the bullet into the lands causing an over pressure situation.</p><p></p><p>The tool of choice at the time was a set of pliers with a bump on one jaw and after loading this would be used to dent the case into the bullet locking it in place.</p><p></p><p>Crimping in to cannelures came along later and did a better job of crimping and improving accuracy. Cannelure's are not as popular as they used to be and finding bullets with cannelure's is getting more and more difficult. With some slow burning powders, a cannelure can help get better burn caricaturists.</p><p></p><p>I still like to crimp some of my magnums but not to lock the bullet down but to improve the powder burn and accuracy.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1803570, member: 2736"] Crimping was/is important when using tubular magazines and any bullet that has a point. That's why most ammo for this type of firearm has flat point bullets. There are new bullets with polymer tips that should prevent this from happening. pointed bullets sometimes set off other rounds from striking the primer during recoil. The old double rifles and dangerous game rifles that have heavy recoil were also bad about bullet movement from the recoil of preceding shots, so they crimped all their loads for safety. In this scenario, the bullets move forward and in bolt rifles could prevent the longer round from being chambered. the double rifles would jam the bullet into the lands causing an over pressure situation. The tool of choice at the time was a set of pliers with a bump on one jaw and after loading this would be used to dent the case into the bullet locking it in place. Crimping in to cannelures came along later and did a better job of crimping and improving accuracy. Cannelure's are not as popular as they used to be and finding bullets with cannelure's is getting more and more difficult. With some slow burning powders, a cannelure can help get better burn caricaturists. I still like to crimp some of my magnums but not to lock the bullet down but to improve the powder burn and accuracy. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Who crimps their bullets in the case?
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