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Hunting
Long Range Hunting & Shooting
What is your baseline zero a dial adjustable scope?
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<blockquote data-quote="tacomHQ" data-source="post: 2855338" data-attributes="member: 67159"><p>Our choice is 200yds/m or greater. Primary reason/thought: if I look at a basic rifle set up (assuming centerfire and velocities greater than 2500fps), the offset of the bore to the scope centerline, then the bullet is still rising or essentially a very flat curve as it passes thru 100yd/m. Do a ballistic calc and see how many yards the system still says you are on "zero". Once we pass the upper arc and the bullet starts a downward path we have removed a minor variable. Impact at 200+/- sets the bullet on exactly one POI. At 100yds I could move +/- several yds and still have "zero"- or a "zero" at multiple ranges (95,96,97..105yds/m). Generally speaking. Of course the platform should be taken into account. A low velocity round could be well within the 100yd/m mark as it starts into its downward path. </p><p>The precision of the gun is potentially easier to assess at the closer ranges: a reason to evaluate the 100yd value. Big guns and long distances bring the shooter into play, potentially outweighing the gun itself. Shooting a one hole group with a 6mm is not the same as shooting a one hole group with a .416Barrett. </p><p>Point blank ranges are another full topic. We build stacked Point blank range values allowing a hunter/marksman to engage rapidly over distances out past 600m with minimal effort. Most ballistic calculators will determine max point blank and the zero range. We add the 2nd, 3rd, 4th PBR values.</p></blockquote><p></p>
[QUOTE="tacomHQ, post: 2855338, member: 67159"] Our choice is 200yds/m or greater. Primary reason/thought: if I look at a basic rifle set up (assuming centerfire and velocities greater than 2500fps), the offset of the bore to the scope centerline, then the bullet is still rising or essentially a very flat curve as it passes thru 100yd/m. Do a ballistic calc and see how many yards the system still says you are on "zero". Once we pass the upper arc and the bullet starts a downward path we have removed a minor variable. Impact at 200+/- sets the bullet on exactly one POI. At 100yds I could move +/- several yds and still have "zero"- or a "zero" at multiple ranges (95,96,97..105yds/m). Generally speaking. Of course the platform should be taken into account. A low velocity round could be well within the 100yd/m mark as it starts into its downward path. The precision of the gun is potentially easier to assess at the closer ranges: a reason to evaluate the 100yd value. Big guns and long distances bring the shooter into play, potentially outweighing the gun itself. Shooting a one hole group with a 6mm is not the same as shooting a one hole group with a .416Barrett. Point blank ranges are another full topic. We build stacked Point blank range values allowing a hunter/marksman to engage rapidly over distances out past 600m with minimal effort. Most ballistic calculators will determine max point blank and the zero range. We add the 2nd, 3rd, 4th PBR values. [/QUOTE]
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What is your baseline zero a dial adjustable scope?
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