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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 PRC over pressure signs
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<blockquote data-quote="Rocketeer77" data-source="post: 2391183" data-attributes="member: 119378"><p>Measured the new Hornady rounds at the neck with 143 ELD-X and diameter is 0.292" the Norma is slightly larger by only 0.001" this is the brass OD. The projectile (130gr) is perfect at 0.264" the specifications for this neck diameter are 0.297"</p><p>Powder to hand is H1000, H4831SC, N565 and AR2217 that suits this cartridge. I lightly oil the bore after cleaning using a bit on a small patch, in theory this could run down the barrel into the chamber while being stored?</p><p>Fired cases measure 0.523" at the projectile end and before firing are 0.513" Norma & 0.515" OD with Hornady (specification = 0.5166") so a ten thou increase while the bases go up by only four thou post firing.</p><p>[ATTACH=full]327049[/ATTACH]</p></blockquote><p></p>
[QUOTE="Rocketeer77, post: 2391183, member: 119378"] Measured the new Hornady rounds at the neck with 143 ELD-X and diameter is 0.292” the Norma is slightly larger by only 0.001” this is the brass OD. The projectile (130gr) is perfect at 0.264” the specifications for this neck diameter are 0.297” Powder to hand is H1000, H4831SC, N565 and AR2217 that suits this cartridge. I lightly oil the bore after cleaning using a bit on a small patch, in theory this could run down the barrel into the chamber while being stored? Fired cases measure 0.523” at the projectile end and before firing are 0.513” Norma & 0.515” OD with Hornady (specification = 0.5166”) so a ten thou increase while the bases go up by only four thou post firing. [ATTACH type="full"]327049[/ATTACH] [/QUOTE]
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6.5 PRC over pressure signs
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