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thanks :thumbsup:

NewbieZAR tell me more about this calibrating for temp instability ? I am looking at using superformance behind 145gn eldx hopefully get a ladder loaded up this week

^^^^^^ this if there is nothing wrong with the barrel and it's a shooter there's really no point in pouring $$$$ into it, 500 yards that's really stretching it for a 270win even if you can get...