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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to true the BC
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<blockquote data-quote="Ucsdryder" data-source="post: 2542534" data-attributes="member: 94543"><p>I imagine this has been discussed before but a quick search didn't come up with anything recent! </p><p></p><p>I am using a ZEISS rf10x42 that calculates elevation and atmospheric conditions, into the ballistic calculator. I am always low on my shots past about 600 yards, give or take. A couple weeks back I was shooting at 1250 and was hitting a good 16" low. My muzzle velocity is on per my magneto v3 so I'm thinking the 180 eldm doesn't have quite the BC advertised. I guess the easy way would be to shoot at 900 yards and fidget with the bc calculator until it gives me the same mil correction. Is there a better way? I don't have access to another chrono and the magneto doesn't work downrange.</p></blockquote><p></p>
[QUOTE="Ucsdryder, post: 2542534, member: 94543"] I imagine this has been discussed before but a quick search didn’t come up with anything recent! I am using a ZEISS rf10x42 that calculates elevation and atmospheric conditions, into the ballistic calculator. I am always low on my shots past about 600 yards, give or take. A couple weeks back I was shooting at 1250 and was hitting a good 16” low. My muzzle velocity is on per my magneto v3 so I’m thinking the 180 eldm doesn’t have quite the BC advertised. I guess the easy way would be to shoot at 900 yards and fidget with the bc calculator until it gives me the same mil correction. Is there a better way? I don’t have access to another chrono and the magneto doesn’t work downrange. [/QUOTE]
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How to true the BC
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