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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 wsm load help
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<blockquote data-quote="SwMo" data-source="post: 1225697" data-attributes="member: 97407"><p>Another point of reference on velocity would definitely help. I actually shot at the top of the targets and measured the vertical drop for the actual impact groups at 300 yrds. The drop point of the center of the groups averages 10.6 inches. This correlates very closely with the chrono velocity (actually makes the barrel about 10fps faster than the chrono registered). I think the difference was the chrono placement in front of the barrel a few feet. The bullet had only traveled a few feet, but might have slowed some from the muzzle by that point. I did not measure the distance from the muzzle to the chrono (is there a way to account for that in a ballistic calc?).</p><p></p><p>My major concern was just pressure. The velocity seems VERY high for what the load indicates. I am happy in all ways with this load, just wanting to be safe.</p></blockquote><p></p>
[QUOTE="SwMo, post: 1225697, member: 97407"] Another point of reference on velocity would definitely help. I actually shot at the top of the targets and measured the vertical drop for the actual impact groups at 300 yrds. The drop point of the center of the groups averages 10.6 inches. This correlates very closely with the chrono velocity (actually makes the barrel about 10fps faster than the chrono registered). I think the difference was the chrono placement in front of the barrel a few feet. The bullet had only traveled a few feet, but might have slowed some from the muzzle by that point. I did not measure the distance from the muzzle to the chrono (is there a way to account for that in a ballistic calc?). My major concern was just pressure. The velocity seems VERY high for what the load indicates. I am happy in all ways with this load, just wanting to be safe. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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300 wsm load help
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