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Zeroing Rifle for Longrange shooting

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Unread 09-07-2008, 05:34 PM
Silver Member
Join Date: Jan 2002
Posts: 439
Zeroing Rifle for Longrange shooting

I've always zeroed my rifle at 100 yards, but after reading Kirby's post on another thread that he does his at 500, I wondered, How does the rest of the guys here set their zeroes! After all I have two groups that I've shoot a couple of days ago with both my 308 and 338 that validates Kirby's method. I was aiming at the center square.

Here's the 338 Lapua's 3 shot group - 1" low about 2" left could be the wind!

Here's the 308 Winchester 3 shot group - 1.5"high about 1/2" right could be spindrift and scope click error!

Need help in analyzing the group. The condition were about the same although it was a week apart.
To achieve the maximum possible accuracy, all variables must be remove or at least minimize.
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  •   #2  
    Unread 09-08-2008, 01:32 PM
    Platinum Member
    Join Date: Feb 2004
    Location: Pennsyltucky
    Posts: 2,630
    Re: Zeroing Rifle for Longrange shooting

    i like to zero at 300. if anything happens quick, you're good to about 350. my recommendation would be to shoot a group at 100, crank the scope up 10 moa, shoot a group, then repeat with 20 up on the scope. this will eliminate the spin drift and tell you if your scope is tracking vertically or not.
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