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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
what velocity your getting ???
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<blockquote data-quote="J E Custom" data-source="post: 921634" data-attributes="member: 2736"><p>I used to shoot a 7 mag in competition that had a 29.4" barrel. I used 168gr SMKs and loaded 66.5</p><p>grains of H 4831 for 3200 ft/sec. I bumped it a little and got 3254 but in hot weather it would blow the primers (To Hot) so I would be VERY careful when you get in this neighborhood.</p><p></p><p>Also I used DWM cases because regular brass would not hold up for 2 or more shots.</p><p></p><p>I do not recommend using loads this hot and would suggest that you start low and work up until you see pressure signs and back off 1 grain. Velocity will be different in different barrels so you will just have to live with what you get.</p><p></p><p>If you are not sure about the chroney results, do a bullet drop test from 100 to 600 yards and this will verify velocity.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 921634, member: 2736"] I used to shoot a 7 mag in competition that had a 29.4" barrel. I used 168gr SMKs and loaded 66.5 grains of H 4831 for 3200 ft/sec. I bumped it a little and got 3254 but in hot weather it would blow the primers (To Hot) so I would be VERY careful when you get in this neighborhood. Also I used DWM cases because regular brass would not hold up for 2 or more shots. I do not recommend using loads this hot and would suggest that you start low and work up until you see pressure signs and back off 1 grain. Velocity will be different in different barrels so you will just have to live with what you get. If you are not sure about the chroney results, do a bullet drop test from 100 to 600 yards and this will verify velocity. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
what velocity your getting ???
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