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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm sherman max
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<blockquote data-quote="codyadams" data-source="post: 2265496" data-attributes="member: 87243"><p>Have been playing with my wife's 7 max, so far have shot the 170 PVA cayugas, the 177 hammers, and the 175 eld-x. All using n565. The cayugas are an interesting bullet, the band up front measures .280, so between bore diameter and rifling diameter, and the bearing surface is very short, shorter than the neck of the max. Below is how I have these seated, they are .125" off the lands, OAL of 3.140", the bearing surface at the boat tail is above the neck shoulder junction, and the front bearing surface is at the case mouth, so all the bearing surface is in the case neck, but still above the neck/shoulder junction. </p><p></p><p>In this 20" barrel, pressure signs are showing up around 2950 fps. With the 175 eld-x's, they showed up at about 2870 fps, and with the 177 hammers, about 2900 fps. </p><p></p><p>[ATTACH=full]292254[/ATTACH]</p></blockquote><p></p>
[QUOTE="codyadams, post: 2265496, member: 87243"] Have been playing with my wife's 7 max, so far have shot the 170 PVA cayugas, the 177 hammers, and the 175 eld-x. All using n565. The cayugas are an interesting bullet, the band up front measures .280, so between bore diameter and rifling diameter, and the bearing surface is very short, shorter than the neck of the max. Below is how I have these seated, they are .125" off the lands, OAL of 3.140", the bearing surface at the boat tail is above the neck shoulder junction, and the front bearing surface is at the case mouth, so all the bearing surface is in the case neck, but still above the neck/shoulder junction. In this 20" barrel, pressure signs are showing up around 2950 fps. With the 175 eld-x's, they showed up at about 2870 fps, and with the 177 hammers, about 2900 fps. [ATTACH=full]292254[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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7mm sherman max
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