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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Comparison of popular 6.5's
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<blockquote data-quote="lancetkenyon" data-source="post: 2693800" data-attributes="member: 68875"><p>Not sure I would say the "hassle free route is the 6.5SAUM". I would say the PRC is the least hassle. But also has the lowest velocity of the bunch.</p><p></p><p>The PRC has more and better brass choices (Lapua, ADG, Peterson, Nosler, Hornady). Therefore, the PRC/SI does too. With only a fire forming to get significant gains. Then there is the SS, which has headstamped brass, comes formed (but does need necked down from 7mm to 6.5mm), and fits best in a true SA.</p><p></p><p>The 6.5PRC and 6.5PRC/SI are loaded to max mag box length of 2.980" COAL/2.290"CBTO. That is a .072" & .074" jump to lands.</p><p></p><p>The 6.5SS and 6.5SAUM were seated to max Accurate WSM mag length, or 2.958" COAL/2.268" CBTO. The 6.5SS jump is .028" (where I found it most accurate previously). Not sure what the SAUM jump is, since it is at max mag length, it doesn't really matter.</p><p></p><p>Neck tension is .0015" on all rounds. All cases freshly annealed. Set by a .263" expanding mandrel and allowing for springback.</p></blockquote><p></p>
[QUOTE="lancetkenyon, post: 2693800, member: 68875"] Not sure I would say the "hassle free route is the 6.5SAUM". I would say the PRC is the least hassle. But also has the lowest velocity of the bunch. The PRC has more and better brass choices (Lapua, ADG, Peterson, Nosler, Hornady). Therefore, the PRC/SI does too. With only a fire forming to get significant gains. Then there is the SS, which has headstamped brass, comes formed (but does need necked down from 7mm to 6.5mm), and fits best in a true SA. The 6.5PRC and 6.5PRC/SI are loaded to max mag box length of 2.980" COAL/2.290"CBTO. That is a .072" & .074" jump to lands. The 6.5SS and 6.5SAUM were seated to max Accurate WSM mag length, or 2.958" COAL/2.268" CBTO. The 6.5SS jump is .028" (where I found it most accurate previously). Not sure what the SAUM jump is, since it is at max mag length, it doesn't really matter. Neck tension is .0015" on all rounds. All cases freshly annealed. Set by a .263" expanding mandrel and allowing for springback. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Comparison of popular 6.5's
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