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Rifles, Reloading, Optics, Equipment
Reloading
Sierra 7mm Rem Mag load data needed
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<blockquote data-quote="J E Custom" data-source="post: 620477" data-attributes="member: 2736"><p>My barrel was 29.6'' and velocity with 65.5 grains of H-4831 was 3140 ft/sec using a rem </p><p>9 1/2 m primer.</p><p></p><p>Standard deviation for load 1 was 8 ft/sec and for the hot load it was 9 ft/sec. I tried the fed 215</p><p>and SDs went to high teens(17 to 19). Velocity increased almost 30 ft/sec and accuracy fell off</p><p>to 3/4 MOA and occasionally threw fliers.(The primer was to hot for this powder and load.</p><p></p><p>The hot load(Not recomended because it will sometimes blow the primer) was 3255 ft/sec</p><p>with the same primer.</p><p></p><p>Both loads shot well under 1/4 MOA and the only time I used the hot load was in poor conditions</p><p>and the ammo had to be kept cool.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 620477, member: 2736"] My barrel was 29.6'' and velocity with 65.5 grains of H-4831 was 3140 ft/sec using a rem 9 1/2 m primer. Standard deviation for load 1 was 8 ft/sec and for the hot load it was 9 ft/sec. I tried the fed 215 and SDs went to high teens(17 to 19). Velocity increased almost 30 ft/sec and accuracy fell off to 3/4 MOA and occasionally threw fliers.(The primer was to hot for this powder and load. The hot load(Not recomended because it will sometimes blow the primer) was 3255 ft/sec with the same primer. Both loads shot well under 1/4 MOA and the only time I used the hot load was in poor conditions and the ammo had to be kept cool. J E CUSTOM [/QUOTE]
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Reloading
Sierra 7mm Rem Mag load data needed
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