visiter1 Posted December 13, 2014 Report Share Posted December 13, 2014 Did anyone ever have to rezero for the cold ? was out last night and all bullets were high , it was the first hard frost off the year Link to comment Share on other sites More sharing options...
gbal Posted December 13, 2014 Report Share Posted December 13, 2014 Low temperature reduces velocity,so shots may well be low-how much is individual to your load,so might need a small adjust on elevation. Ditto pressures are up in higher temperatures,sometimes needing a slightly reduced load. We tend not to get 'extremes' in UK ,but effects are still there,if reduced. gbal Link to comment Share on other sites More sharing options...
visiter1 Posted December 13, 2014 Author Report Share Posted December 13, 2014 Thanks for that must need a small zero as all shots were high Link to comment Share on other sites More sharing options...
dylan5588 Posted December 13, 2014 Report Share Posted December 13, 2014 Thanks for that must need a small zero as all shots were high I dont understand why shots were high, cold reduces velocity, so therefore they should be lower if anything? or have i miss read the op? Adrian Link to comment Share on other sites More sharing options...
visiter1 Posted December 13, 2014 Author Report Share Posted December 13, 2014 no no you read it right i thought it was the cold however when i checked the zero it was high right , i couldn understand this change so i checked everything turned out i had a lose forend screw , now fixed and a grey and 2 magg shot with the caller Link to comment Share on other sites More sharing options...
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