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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Can't get ballistic calculations to agree
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<blockquote data-quote="LouBoyd" data-source="post: 573540" data-attributes="member: 9253"><p>Did you enter the value for the centerline of the sights over the centerlilne of bore correctly? It seems like a small small issue but it can really screw up the calcualated values. The default balues in the programs can be way off. Measure it, don't guess. Exteriior ballistics programs are calculated relative to the muzzle, not the bolt face or the scope objective. Usually it doesn't matter, but it will if a long range zero zero is used where the scope and the bore aren't close to parallel.</p></blockquote><p></p>
[QUOTE="LouBoyd, post: 573540, member: 9253"] Did you enter the value for the centerline of the sights over the centerlilne of bore correctly? It seems like a small small issue but it can really screw up the calcualated values. The default balues in the programs can be way off. Measure it, don't guess. Exteriior ballistics programs are calculated relative to the muzzle, not the bolt face or the scope objective. Usually it doesn't matter, but it will if a long range zero zero is used where the scope and the bore aren't close to parallel. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Can't get ballistic calculations to agree
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