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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help with some ballistics
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<blockquote data-quote="Tater1985" data-source="post: 1227904" data-attributes="member: 38019"><p>So my wife and I will be leaving for an elk hunt in WY in about a month. I had put a 300 WM barrel on my Encore this spring and started load development with 180gr Accubonds and H1000. I found a load that worked well in the gun, and have loaded up enough ammo for practice and the hunt.</p><p> </p><p> This past weekend I was actually able to test it at various distances and try my making adjustments to my CDS dial on my VX3. I have the rifle zeroed at 200yds and was able to shoot out to 550 yds to confirm that the data from the ballistics calculators was infact correct. I have been playing with the following calculators:</p><p> </p><p> Strelok (on my phone)</p><p> G7 (web based)</p><p> Pejsa (jacksons ballistics, excel spreadsheet)</p><p> </p><p> They all seemed to be within 0.2-0.3 MOA at 550yds when using my "HOME" data:</p><p> </p><p> Elev 800ft</p><p> Temp 85 F</p><p> MV 3011fps</p><p> Hum 50%</p><p> Pres 30.00</p><p> </p><p> But when I try to put in what I am being told will be average conditions for my hunt, they are varying quite a bit.</p><p> </p><p> Elev 8000ft</p><p> Temp 50 F</p><p> MV 3011fps (used same, mainly out of ignorance)</p><p> Hum 50%</p><p> Pres 30.00</p><p> </p><p> These are the MOA corrections I get for 550yds:</p><p> </p><p> Pejsa – 7.8 MOA</p><p> G7 – 8.7 MOA</p><p> Strelok – 9.9 MOA</p><p> </p><p> Can anyone point me in the right direction? I was quite pleased that all the calculators were reasonably close with my home data, and that's what I tested over the weekend, but now that I try to change the temp and altitude, they are all over the place. What am I missing?</p></blockquote><p></p>
[QUOTE="Tater1985, post: 1227904, member: 38019"] So my wife and I will be leaving for an elk hunt in WY in about a month. I had put a 300 WM barrel on my Encore this spring and started load development with 180gr Accubonds and H1000. I found a load that worked well in the gun, and have loaded up enough ammo for practice and the hunt. This past weekend I was actually able to test it at various distances and try my making adjustments to my CDS dial on my VX3. I have the rifle zeroed at 200yds and was able to shoot out to 550 yds to confirm that the data from the ballistics calculators was infact correct. I have been playing with the following calculators: Strelok (on my phone) G7 (web based) Pejsa (jacksons ballistics, excel spreadsheet) They all seemed to be within 0.2-0.3 MOA at 550yds when using my “HOME” data: Elev 800ft Temp 85 F MV 3011fps Hum 50% Pres 30.00 But when I try to put in what I am being told will be average conditions for my hunt, they are varying quite a bit. Elev 8000ft Temp 50 F MV 3011fps (used same, mainly out of ignorance) Hum 50% Pres 30.00 These are the MOA corrections I get for 550yds: Pejsa – 7.8 MOA G7 – 8.7 MOA Strelok – 9.9 MOA Can anyone point me in the right direction? I was quite pleased that all the calculators were reasonably close with my home data, and that’s what I tested over the weekend, but now that I try to change the temp and altitude, they are all over the place. What am I missing? [/QUOTE]
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Help with some ballistics
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