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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does velocity affect ballistic coefficient?
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<blockquote data-quote="waveslayer" data-source="post: 2275263" data-attributes="member: 46202"><p>As mentioned above. Calculators are tools... sometimes you use different tools for different jobs. Yes I hardly ever dial because I prefer a H59 or Tremor 3 reticle. Makes follow up shots very easy, different when hunting because sometimes you only have one shot opportunity. </p><p></p><p>Calculators need to be trued, yes even the CDM or 4DOF. Why you use it as a tool is for weather conditions affecting the data. It will effect your ballistics, best is to shoot whatever bullet at 600 write down your dope and true the velocity to match your actual data.</p><p></p><p>Then go out to 1000 or so, 800 or 900 and change the BC to match your data, not velocity at this point. There's a good article on Snipers hide about trying your calculator and actual BC to each gun. BC's are gun specific hence why CDM sometimes is off. Because twist rates, velocity, etc all play a role in BC's. </p><p></p><p>Shoot and get real data then true your tool. Don't rely just on it.</p></blockquote><p></p>
[QUOTE="waveslayer, post: 2275263, member: 46202"] As mentioned above. Calculators are tools... sometimes you use different tools for different jobs. Yes I hardly ever dial because I prefer a H59 or Tremor 3 reticle. Makes follow up shots very easy, different when hunting because sometimes you only have one shot opportunity. Calculators need to be trued, yes even the CDM or 4DOF. Why you use it as a tool is for weather conditions affecting the data. It will effect your ballistics, best is to shoot whatever bullet at 600 write down your dope and true the velocity to match your actual data. Then go out to 1000 or so, 800 or 900 and change the BC to match your data, not velocity at this point. There's a good article on Snipers hide about trying your calculator and actual BC to each gun. BC's are gun specific hence why CDM sometimes is off. Because twist rates, velocity, etc all play a role in BC's. Shoot and get real data then true your tool. Don't rely just on it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does velocity affect ballistic coefficient?
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