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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help Needed with LB3.0 and .338 Bergers
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<blockquote data-quote="bigngreen" data-source="post: 397140" data-attributes="member: 13632"><p>You said you can get accurate drops for the 300gr Sierra from Exbal, have you tried it with LB to see if you can accurately predict the same drops as Exbal with the Sierra. That could shed a little light on the problem.</p><p></p><p>You could shoot with your latest numbers but I think I would find a way to at least run the BC test in the Analyzer as you only need two velocities over one range to get a G1-G8 BC. The DC function in the analyzer you have to shoot four ranges but it also gives you the BC and drag. If you do the BC test with a muzzle velocity and a velocity at your 300yrd sight in it may show you that your rifle is producing more drag, the farther you can shoot and get a reading the better the data will be.</p><p></p><p>If my back wasn't so tweeked I'd load up the crony and my steel plates and give you a hand!gun)</p></blockquote><p></p>
[QUOTE="bigngreen, post: 397140, member: 13632"] You said you can get accurate drops for the 300gr Sierra from Exbal, have you tried it with LB to see if you can accurately predict the same drops as Exbal with the Sierra. That could shed a little light on the problem. You could shoot with your latest numbers but I think I would find a way to at least run the BC test in the Analyzer as you only need two velocities over one range to get a G1-G8 BC. The DC function in the analyzer you have to shoot four ranges but it also gives you the BC and drag. If you do the BC test with a muzzle velocity and a velocity at your 300yrd sight in it may show you that your rifle is producing more drag, the farther you can shoot and get a reading the better the data will be. If my back wasn't so tweeked I'd load up the crony and my steel plates and give you a hand!gun) [/QUOTE]
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Help Needed with LB3.0 and .338 Bergers
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