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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Have any of you seen "magic" like this?
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<blockquote data-quote="Ridge Runner" data-source="post: 251633" data-attributes="member: 951"><p>Well yes, I've saw it, the first fall I worked with the 160 accubond at 3575 fps, I was consistantly shooting high, I checked and rechecked everything, measured my scope heigth with a dial caliper to get it as close as I could, went under the weather tower to calibrate my barometer to get it right. </p><p>sighted in at 300 yards and dial up for longer ranges I was always shooting high, rechecked the scopes tracking and return to zero, it was ok, </p><p>so I was shooting a 160 accubond with a published BC of .531, at 3575 fps, so I started bumping BC up in my program a lil at a time, the longer range impacts started down, at .62 they were impacting at POA.</p><p> Now I'm not a math whiz, not much of anything except a dumb wv deer hunter, But I'm claiming A BC of .62 for shooting a 160 accubond, why? cause I hit stuff, my last whitetail was taken at 1350 yards.</p><p> </p><p></p><p>while we're on the subject, how do the makers standardise a BC , is it corrected for sea-level? what velocities do they shoot them? is it not true that bc does go up as velocity increases?</p><p>RR</p></blockquote><p></p>
[QUOTE="Ridge Runner, post: 251633, member: 951"] Well yes, I've saw it, the first fall I worked with the 160 accubond at 3575 fps, I was consistantly shooting high, I checked and rechecked everything, measured my scope heigth with a dial caliper to get it as close as I could, went under the weather tower to calibrate my barometer to get it right. sighted in at 300 yards and dial up for longer ranges I was always shooting high, rechecked the scopes tracking and return to zero, it was ok, so I was shooting a 160 accubond with a published BC of .531, at 3575 fps, so I started bumping BC up in my program a lil at a time, the longer range impacts started down, at .62 they were impacting at POA. Now I'm not a math whiz, not much of anything except a dumb wv deer hunter, But I'm claiming A BC of .62 for shooting a 160 accubond, why? cause I hit stuff, my last whitetail was taken at 1350 yards. while we're on the subject, how do the makers standardise a BC , is it corrected for sea-level? what velocities do they shoot them? is it not true that bc does go up as velocity increases? RR [/QUOTE]
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Have any of you seen "magic" like this?
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