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Hunting
Long Range Hunting & Shooting
Bİg problem 7mm rem mag
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<blockquote data-quote="fmajor" data-source="post: 346373" data-attributes="member: 20646"><p>Hey soundwaves - </p><p> </p><p>Back to your *initial* problem..... If a ballistics program calcs your bullet drop, given all the information, and your actual performance is different, something obviously isn't right - distance(s) to the targets for drop measurement, *actual* muzzle velocity, temperature, load data, etc.</p><p> </p><p>Do you personally know for sure the velocity of your round (as asked earlier?) via chronograph? The stated velocities on ammo boxes are acheived by specific test barrels in specific conditions. Mostly they are exaggerated from *actual* 'production' firearms. This would explain why your round is soooo low compared to what it *should* be.</p><p> </p><p>Otherwise and in general, i'd not be too reliant on a BDC scope unless you can adjust that compensator for each round/lot of ammo you shoot (again lotsa variables). Hard data for each lot of ammo you shoot is as simple as recording the actual results you personally get and forget what the round is *supposed* to do - know your ranges/drops via personal observation.</p><p> </p><p>frank</p></blockquote><p></p>
[QUOTE="fmajor, post: 346373, member: 20646"] Hey soundwaves - Back to your *initial* problem..... If a ballistics program calcs your bullet drop, given all the information, and your actual performance is different, something obviously isn't right - distance(s) to the targets for drop measurement, *actual* muzzle velocity, temperature, load data, etc. Do you personally know for sure the velocity of your round (as asked earlier?) via chronograph? The stated velocities on ammo boxes are acheived by specific test barrels in specific conditions. Mostly they are exaggerated from *actual* 'production' firearms. This would explain why your round is soooo low compared to what it *should* be. Otherwise and in general, i'd not be too reliant on a BDC scope unless you can adjust that compensator for each round/lot of ammo you shoot (again lotsa variables). Hard data for each lot of ammo you shoot is as simple as recording the actual results you personally get and forget what the round is *supposed* to do - know your ranges/drops via personal observation. frank [/QUOTE]
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Bİg problem 7mm rem mag
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