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Old March 8, 2020, 03:02 PM   #33
JohnKSa
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Join Date: February 12, 2001
Location: DFW Area
Posts: 24,986
Quote:
If I'm reading the above quote correctly . Instead of zeroing at 50 to also get a 200yd zero . I should zero at 200yds and see what I get at 50yds ? Interesting , That sounds like a good idea ??
Sorry for the delay responding.

From a horizontal sight displacement standpoint, yes, the 200yd zero should be best. By zeroing the gun at 200 yards, you're setting the bullet on a horizontal line that will eliminate the horizontal sight misalignment over a range of 200 yards. That's a much more gradual change than if you try to eliminate it all over a range over 50 yards.

That means that as the bullet continues on that line past the zero distance, it moves away from alignment at a rate 4x slower than it would with a 50yd zero (200/50=4).

But, again, the sight misalignment has to be pretty large and/or the range beyond the zero distance has to be pretty long before any of it makes a big difference.

As Bart says, there are other issues that are probably going to make bigger differences.
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