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Rifles, Reloading, Optics, Equipment
Reloading
Actual B.C.
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<blockquote data-quote="hank shaper" data-source="post: 141355" data-attributes="member: 7199"><p>Thanks Good Grouper and I can appreciate what you are telling me. Do I understand you right, due to barrel erosion, velocities change. This then changes the B.C. Therefore, the BDC values will be wrong as the barrels wears? The same thing will happen to my drop chart also, but it is easier to correct, right? How accurate do you guys find the computer generated drop charts to be? How do I go about making one?</p><p></p><p>What do you think my barrel life will be running 140 gr. bullets at 3350-3400?</p><p></p><p>Hank</p></blockquote><p></p>
[QUOTE="hank shaper, post: 141355, member: 7199"] Thanks Good Grouper and I can appreciate what you are telling me. Do I understand you right, due to barrel erosion, velocities change. This then changes the B.C. Therefore, the BDC values will be wrong as the barrels wears? The same thing will happen to my drop chart also, but it is easier to correct, right? How accurate do you guys find the computer generated drop charts to be? How do I go about making one? What do you think my barrel life will be running 140 gr. bullets at 3350-3400? Hank [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Actual B.C.
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