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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Peterson 300 Norma Mag brass
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<blockquote data-quote="Swamplord" data-source="post: 1447458" data-attributes="member: 2460"><p>Necks longer than bullet caliber of cartridge have absolutely zero effect in improving "barrel life" or aiding accuracy , it's a selling point to generate interest in an uninteresting cartridge, hype and nothing more</p><p></p><p>longer necks have more negative impact on pressures and accuracy over a similarly designed cartridge with a shorter neck </p><p></p><p>I've tested multiple caliber designs of wildcats off the 300 & 338 Norma Mag parent cases and concluded that a neck longer than caliber of cartridge is useless ...... in fact as bullet diameter goes up you are better off with shorter than caliber neck lengths, for example in my experience in 375 cal., a .350" length neck is better than a full .375" long neck, that extra case length is better suited for case capacity than addional tension and drag on the bullet before release </p><p></p><p></p><p></p><p> .....opinions will differ but watch for the salesmen, everybody will hype up their new whiz bang for a buck, my only interest is pure max performance possible from a case and nothing more, no magic case design tricks to double "barrel life" ... whatever the hell that is</p></blockquote><p></p>
[QUOTE="Swamplord, post: 1447458, member: 2460"] Necks longer than bullet caliber of cartridge have absolutely zero effect in improving "barrel life" or aiding accuracy , it's a selling point to generate interest in an uninteresting cartridge, hype and nothing more longer necks have more negative impact on pressures and accuracy over a similarly designed cartridge with a shorter neck I've tested multiple caliber designs of wildcats off the 300 & 338 Norma Mag parent cases and concluded that a neck longer than caliber of cartridge is useless ...... in fact as bullet diameter goes up you are better off with shorter than caliber neck lengths, for example in my experience in 375 cal., a .350" length neck is better than a full .375" long neck, that extra case length is better suited for case capacity than addional tension and drag on the bullet before release .....opinions will differ but watch for the salesmen, everybody will hype up their new whiz bang for a buck, my only interest is pure max performance possible from a case and nothing more, no magic case design tricks to double "barrel life" ... whatever the hell that is [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Peterson 300 Norma Mag brass
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