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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to adjust b.c. to get ballistic chart to match drops
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<blockquote data-quote="Lrreloader" data-source="post: 2316381" data-attributes="member: 110476"><p>Ok so playing around with numbers on bergers ballistic program on their website. </p><p></p><p>If I adjust the b.c. .350 from manufacturer. 325 G7</p><p>Add correct scope height 1.834"</p><p>The hammer bullets are actually 263 grains</p><p>.338 diam</p><p>MV 2,780 fps ( that's consistent, charges measured out to .00 of a grain on lab scale)</p><p>1,400 elevation (where I shoot now)</p><p>59* temp when I shot drops</p><p></p><p>The drop shots was on a windy day flags were all directions all the way out to 1,000 so take that into consideration for actual clicks</p><p></p><p>200 yards is on</p><p>300 yard is 3.7 actual 3.50 moa clicks</p><p>600 yard is 12.01 actual 12.0 </p><p></p><p>I think those values will be good enough to just change elevation to 9,500 and should be Minute of elk.</p><p></p><p>Range is expected to be less than 300 yards but gun has enough for farther and don't want to be held back by lack of a chart.</p><p></p><p>Sound good?</p></blockquote><p></p>
[QUOTE="Lrreloader, post: 2316381, member: 110476"] Ok so playing around with numbers on bergers ballistic program on their website. If I adjust the b.c. .350 from manufacturer. 325 G7 Add correct scope height 1.834" The hammer bullets are actually 263 grains .338 diam MV 2,780 fps ( that's consistent, charges measured out to .00 of a grain on lab scale) 1,400 elevation (where I shoot now) 59* temp when I shot drops The drop shots was on a windy day flags were all directions all the way out to 1,000 so take that into consideration for actual clicks 200 yards is on 300 yard is 3.7 actual 3.50 moa clicks 600 yard is 12.01 actual 12.0 I think those values will be good enough to just change elevation to 9,500 and should be Minute of elk. Range is expected to be less than 300 yards but gun has enough for farther and don't want to be held back by lack of a chart. Sound good? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to adjust b.c. to get ballistic chart to match drops
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