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Long Range Hunting & Shooting
Why would you not sight in at 100 yards?
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<blockquote data-quote="charliewhisky" data-source="post: 1631792" data-attributes="member: 26716"><p>The bad part about these threads is that you have to read everything just to find out if you are saying something new. So, if you have heard this, sorry.</p><p></p><p>My 30-06 is shooting flat enough if sighted in at 100 yds that any shot on target, to or beyond that point, will never hit above the aim point on the target. Half of a 6-inch kill zone is never in play with this zero.</p><p></p><p>This means that every shot beyond 100 yds is either a scope correction or a hold over if there is any chance that the drop of the bullet will be greater than ½ of the kill diameter for the game you are shooting. In the case of my 30-06 with a 200gr ELD-x and a 6-inch kill zone, this means that I will have a 3-inch drop at 190 yds and then I am out of the kill zone. True, I can hold the topline of a six-inch kill zone and reach out to 233 yds without correction. </p><p></p><p>If I sight in for a 225 yd zero, I have a no brainer +2.72 inches at 130 yds and -2.97 inches at 273 yds shooting the center of the kill zone.</p><p></p><p>With this 225 yd zero I can hold the top of the kill zone and shoot to 300 yds without thinking about it.</p><p></p><p>Shots on smaller targets may require some compensation but the allowable error is known in advance.</p><p></p><p>In my case, memorizing the drops for probable ranges out to about 500 yds is also easier because you are only working with about 33 inches of drop beyond 300 yards.</p></blockquote><p></p>
[QUOTE="charliewhisky, post: 1631792, member: 26716"] The bad part about these threads is that you have to read everything just to find out if you are saying something new. So, if you have heard this, sorry. My 30-06 is shooting flat enough if sighted in at 100 yds that any shot on target, to or beyond that point, will never hit above the aim point on the target. Half of a 6-inch kill zone is never in play with this zero. This means that every shot beyond 100 yds is either a scope correction or a hold over if there is any chance that the drop of the bullet will be greater than ½ of the kill diameter for the game you are shooting. In the case of my 30-06 with a 200gr ELD-x and a 6-inch kill zone, this means that I will have a 3-inch drop at 190 yds and then I am out of the kill zone. True, I can hold the topline of a six-inch kill zone and reach out to 233 yds without correction. If I sight in for a 225 yd zero, I have a no brainer +2.72 inches at 130 yds and -2.97 inches at 273 yds shooting the center of the kill zone. With this 225 yd zero I can hold the top of the kill zone and shoot to 300 yds without thinking about it. Shots on smaller targets may require some compensation but the allowable error is known in advance. In my case, memorizing the drops for probable ranges out to about 500 yds is also easier because you are only working with about 33 inches of drop beyond 300 yards. [/QUOTE]
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Why would you not sight in at 100 yards?
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