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Does your zero change daily?

660grizzlyguy

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Mar 28, 2010
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Seems like I get zero set before a match, and then a couple days later, at the match, I need 10-20 sight-in shots to get rezeroed. And often I wind up right back at my original zero. Do I need to heat up the lube? I don't clean it after sighting in. It seems to be OK after the first stage, even though there is plenty of time for the barrel and wax to cool down, between stages.
 
Seems like I get zero set before a match, and then a couple days later, at the match, I need 10-20 sight-in shots to get rezeroed. And often I wind up right back at my original zero. Do I need to heat up the lube? I don't clean it after sighting in. It seems to be OK after the first stage, even though there is plenty of time for the barrel and wax to cool down, between stages.
Not being critical as I don't shoot matches. Sometimes I am cold and not properly concentrating on fundamentals. After WTF I settle down. Some shooters at a small club always shot that many rounds at the sighter, swearing the barrel needed warmed up. They didn't do so after first stage/relay. These guys usually shot better than most. Is this a condition that just started?
 
Theres a thread thats relevant to this question, zeroing a .22 at 25yd to eliminate wind induced error in your zero.

 
No. But if I leave it a few months it will usually shift right or left.

mare you zeroing cold bore? Sounds like not. Get an IR thermometer and check the temp in the action, on the barrel just forward of the chamber, end of the muzzle, and can. Zero at that temp. Then get it warm and see where it’s shooting. Then hot. Log all that data (I’m horrible at that part but have the info I need for the rifles I’d be concerned with).