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Long Range Hunting & Shooting
Ballistic calculators are OK, but...
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<blockquote data-quote="Greyfox" data-source="post: 1463739" data-attributes="member: 10291"><p>I have personally had exceptional success using ballistic calculators. Over the years I have used about a half a dozen of the popular programs that are available, including those incorporated in the Gunwerks G7 and Sig 2400. With identical inputs they will produce outputs that are the same or within one click out to the ranges I hunt/shoot, generally to 1200 yards. When a problem exists, it lies elsewhere. Garbage in......garbage out. IMO, the ballistic calculator may very well be the most consistent variable in the shooting equation. Where can the garbage come from? </p><p>-A rifle/load/shooter that is not precise/accurate. Scope aside(for a moment). Thorough understanding of cold bore POI. </p><p>-A defective scope. Performing a box test/tall test is not enough! Parralax/focus, and the magnification changes have to be checked for POI shifts as well. I have seen issues with the latter, even with some of the highly regarded brands. </p><p>-BC/velocity has to be verified by shooting ....knowing the atmospheric conditions "precisely", particularly as ranges exceed 500 yards. Compared to a decade ago, newer and more concise chronograph designs like the Magnetospeed and LabRadar can deliver accurate velocities, verifying that published BC's are only an estimate. Sometime they are right on, but usually they need to be fine tuned. </p><p>-I find that the use of yardage turrets or calibrated reticles can work quite well out to 500-600 yards. For precise work, particularly beyond this range, adjustments are required to compensate for changes in environmental conditions. </p><p>-Accurate ranging...verify the unit and learn how to use it. </p><p></p><p>Of course, all this is my opinion. Apologies to the seasoned shooters for stating the obvious. Over the past few years of LR hunting/PRS competition, the number of newer LR shooters I have encountered experiencing issues with their dopes has been quite high. The ballistic calculator is quite often, the first to take the blame.....wrongfully!</p></blockquote><p></p>
[QUOTE="Greyfox, post: 1463739, member: 10291"] I have personally had exceptional success using ballistic calculators. Over the years I have used about a half a dozen of the popular programs that are available, including those incorporated in the Gunwerks G7 and Sig 2400. With identical inputs they will produce outputs that are the same or within one click out to the ranges I hunt/shoot, generally to 1200 yards. When a problem exists, it lies elsewhere. Garbage in......garbage out. IMO, the ballistic calculator may very well be the most consistent variable in the shooting equation. Where can the garbage come from? -A rifle/load/shooter that is not precise/accurate. Scope aside(for a moment). Thorough understanding of cold bore POI. -A defective scope. Performing a box test/tall test is not enough! Parralax/focus, and the magnification changes have to be checked for POI shifts as well. I have seen issues with the latter, even with some of the highly regarded brands. -BC/velocity has to be verified by shooting ....knowing the atmospheric conditions “precisely”, particularly as ranges exceed 500 yards. Compared to a decade ago, newer and more concise chronograph designs like the Magnetospeed and LabRadar can deliver accurate velocities, verifying that published BC’s are only an estimate. Sometime they are right on, but usually they need to be fine tuned. -I find that the use of yardage turrets or calibrated reticles can work quite well out to 500-600 yards. For precise work, particularly beyond this range, adjustments are required to compensate for changes in environmental conditions. -Accurate ranging...verify the unit and learn how to use it. Of course, all this is my opinion. Apologies to the seasoned shooters for stating the obvious. Over the past few years of LR hunting/PRS competition, the number of newer LR shooters I have encountered experiencing issues with their dopes has been quite high. The ballistic calculator is quite often, the first to take the blame.....wrongfully! [/QUOTE]
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