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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Big Game Info Ballistics calculator.
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<blockquote data-quote="4ked Horn" data-source="post: 62445" data-attributes="member: 11"><p>Goodgrouper. First call me Joe. Its easier to type.</p><p></p><p>Second, check out the sure shot part of this program. Enter all your data at standard conditions for sea level with a 100 yard zero and calculate a 1000 yard target distance. Then change the altitude to 10000 ft and re calculate. It will change your zero distance to reflect the elongated trajectory. Try it and see what you think.</p><p></p><p>[ QUOTE ]</p><p>The zero as it is referred to, means absolutely nothing to a knob cranker who has just sighted in his gun at home, and now drives up to 10,000 feet and has a rockchuck staring at him from 1000 yards out.</p><p></p><p>[/ QUOTE ]</p><p></p><p>Agreed. For all it matters I might as well zero my rifle at 25 yards. The main reason I don't is because with a 100 yard zero I am within 1/2 inch from 50 to 125 yards which is still where a good share of shooting occurs. /ubbthreads/images/graemlins/grin.gif</p><p></p><p>The other reason I dont zero at 25 yards is I can see a one click adjustment at 100 yards. At 25 yards the adjustment equals 1/16 inch so it is harder to know exactly how far off your zero really is and how much that will affect your trajectory coresponding to the chart at 800 yards.</p></blockquote><p></p>
[QUOTE="4ked Horn, post: 62445, member: 11"] Goodgrouper. First call me Joe. Its easier to type. Second, check out the sure shot part of this program. Enter all your data at standard conditions for sea level with a 100 yard zero and calculate a 1000 yard target distance. Then change the altitude to 10000 ft and re calculate. It will change your zero distance to reflect the elongated trajectory. Try it and see what you think. [ QUOTE ] The zero as it is referred to, means absolutely nothing to a knob cranker who has just sighted in his gun at home, and now drives up to 10,000 feet and has a rockchuck staring at him from 1000 yards out. [/ QUOTE ] Agreed. For all it matters I might as well zero my rifle at 25 yards. The main reason I don't is because with a 100 yard zero I am within 1/2 inch from 50 to 125 yards which is still where a good share of shooting occurs. [img]/ubbthreads/images/graemlins/grin.gif[/img] The other reason I dont zero at 25 yards is I can see a one click adjustment at 100 yards. At 25 yards the adjustment equals 1/16 inch so it is harder to know exactly how far off your zero really is and how much that will affect your trajectory coresponding to the chart at 800 yards. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Big Game Info Ballistics calculator.
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