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Long Range Hunting & Shooting
Win Model 70 Rebarrel - Did you Blueprint??
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<blockquote data-quote="MudRunner2005" data-source="post: 1148591" data-attributes="member: 12995"><p>IMO, any time you rebarrel a factory action for the first time, you always have it professionally blueprinted. That way it's one-and-done. You never have to do it again for that action.</p><p></p><p>The reason you true is not to decrease group size, the reason you true is to square and center all the mating-surfaces and parts of the action and bolt to the invisible datum line. You also do the same to the barrel threads, lug shoulder, tennon, and chamber, and center them up with the bore. That way when you screw the barrel into the action, everything is perfectly centered, squared, and lined up and pressure is being equally distributed against all moving and mating surfaces...Which all adds up to better accuracy.</p></blockquote><p></p>
[QUOTE="MudRunner2005, post: 1148591, member: 12995"] IMO, any time you rebarrel a factory action for the first time, you always have it professionally blueprinted. That way it's one-and-done. You never have to do it again for that action. The reason you true is not to decrease group size, the reason you true is to square and center all the mating-surfaces and parts of the action and bolt to the invisible datum line. You also do the same to the barrel threads, lug shoulder, tennon, and chamber, and center them up with the bore. That way when you screw the barrel into the action, everything is perfectly centered, squared, and lined up and pressure is being equally distributed against all moving and mating surfaces...Which all adds up to better accuracy. [/QUOTE]
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Win Model 70 Rebarrel - Did you Blueprint??
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