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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Remington 700 bolt?
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<blockquote data-quote="Hugnot" data-source="post: 2804924" data-attributes="member: 115658"><p>I am in the process of a re-barrel project going from a belted magnum case on a Ruger M77, MK II long action to a 6.5 PRC. I considered a 6.5-.300WM among other cartridges and looked up the .300 WSM head diameter on my Hornady manual, and Nosler load data - both had the diameter of the .300 WSM at .535.</p><p></p><p>Nosler load data has the head diameter of the 6.5 PRC at .532. I measured some 6.5 PRC, Hornady range brass that had a head diameter at .528.</p><p></p><p>My guess is the Rem extractor is slipping off 6.5 PRC case rims upon compressive ejector force & not providing enough resistance to the spring-loaded plunger ejector to develop enough force to flip out brass when necks are pulled pass the right side of the receiver ring. Possibly, a new extractor would be a fix. SAAMI data shows 6.5 PRC rim diameter at .532 but my Hornady range brass measures at .528, some .004 less.</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2804924, member: 115658"] I am in the process of a re-barrel project going from a belted magnum case on a Ruger M77, MK II long action to a 6.5 PRC. I considered a 6.5-.300WM among other cartridges and looked up the .300 WSM head diameter on my Hornady manual, and Nosler load data - both had the diameter of the .300 WSM at .535. Nosler load data has the head diameter of the 6.5 PRC at .532. I measured some 6.5 PRC, Hornady range brass that had a head diameter at .528. My guess is the Rem extractor is slipping off 6.5 PRC case rims upon compressive ejector force & not providing enough resistance to the spring-loaded plunger ejector to develop enough force to flip out brass when necks are pulled pass the right side of the receiver ring. Possibly, a new extractor would be a fix. SAAMI data shows 6.5 PRC rim diameter at .532 but my Hornady range brass measures at .528, some .004 less. [/QUOTE]
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Remington 700 bolt?
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