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Rifles, Reloading, Optics, Equipment
Reloading
How do I calculate MV? No Chrono.
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<blockquote data-quote="AJ Peacock" data-source="post: 306778" data-attributes="member: 4885"><p>Using the load info will not get you accurate enough for much, as different rifles behave much differently. </p><p></p><p>If you have a drop chart and all the environmental conditions, you can work backward and get a fair guess with one of the ballistic programs. </p><p></p><p>For example my 7mm Rem Mag, shooting 160gr Accubonds is sighted in at 200yds, the sight hieght is 1.5" and I have to crank 14.75 moa up to hit at 800yds when at 7480' elevation. By playing around with the program I can see that I am around 3000fps.</p><p></p><p>My chrono tells me That I average 3015.</p><p></p><p>Your best bet is to spend a couple hundred $$'s on a good chrono and use it. It will save it's cost in ammo over the next few years.</p><p></p><p>HTH,</p><p></p><p>AJ</p></blockquote><p></p>
[QUOTE="AJ Peacock, post: 306778, member: 4885"] Using the load info will not get you accurate enough for much, as different rifles behave much differently. If you have a drop chart and all the environmental conditions, you can work backward and get a fair guess with one of the ballistic programs. For example my 7mm Rem Mag, shooting 160gr Accubonds is sighted in at 200yds, the sight hieght is 1.5" and I have to crank 14.75 moa up to hit at 800yds when at 7480' elevation. By playing around with the program I can see that I am around 3000fps. My chrono tells me That I average 3015. Your best bet is to spend a couple hundred $$'s on a good chrono and use it. It will save it's cost in ammo over the next few years. HTH, AJ [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How do I calculate MV? No Chrono.
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