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Magneto Speed
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<blockquote data-quote="Greyfox" data-source="post: 1630725" data-attributes="member: 10291"><p>For my precision shooting out to 1000+yards establishiing an "accurate" muzzle velocity, and subsequently adjusting BC at the longer ranges has always produced the most accurate results. I own an Oehler 35P, Lab Radar, and Magnetospeed. While the Ohler takes some care in set-up and lighting conditions, I have found that the three chronographs are within 10 FPS of each other. Before the MS and LR, I almost slways calibrated with velocity due to the uncertainty of my velocities with the optical chronographs. It would certainly work at the midrange, but lacked accuracy at the longer ranges. Given that the environmental conditions taken into account when establishing my zero, and the particular load has an acceptable ES and displays good consistency, I'll tune the BC to point of impact at 500-1000 yards for both my hunting and competition rifles. I will believe the results from the Magnetospeed or Lab Radar MUCH more so then the reported BC for a given bullet, primarily because it can vary with a particular barrel and/or loading parameters. IMO.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 1630725, member: 10291"] For my precision shooting out to 1000+yards establishiing an “accurate” muzzle velocity, and subsequently adjusting BC at the longer ranges has always produced the most accurate results. I own an Oehler 35P, Lab Radar, and Magnetospeed. While the Ohler takes some care in set-up and lighting conditions, I have found that the three chronographs are within 10 FPS of each other. Before the MS and LR, I almost slways calibrated with velocity due to the uncertainty of my velocities with the optical chronographs. It would certainly work at the midrange, but lacked accuracy at the longer ranges. Given that the environmental conditions taken into account when establishing my zero, and the particular load has an acceptable ES and displays good consistency, I’ll tune the BC to point of impact at 500-1000 yards for both my hunting and competition rifles. I will believe the results from the Magnetospeed or Lab Radar MUCH more so then the reported BC for a given bullet, primarily because it can vary with a particular barrel and/or loading parameters. IMO. [/QUOTE]
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