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Rifles, Reloading, Optics, Equipment
Gunsmithing
Who to use for Savage true job
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<blockquote data-quote="Coyboy" data-source="post: 802416" data-attributes="member: 3733"><p>The only problem with Freds thinking on his time and true is; If the reciever is trued so all surfaces match the existing internal thread tennon, and that thread tennon is un concentric with the bolt bore, the barrel is going to point off at an angle relative to the scope base screws/action centerline. Thus causing the possibility of running out of windage or elevation in a scope. </p><p></p><p>I have seen this on a couple bone stock factory savages.</p><p></p><p>I have trued many savages in my shop that were then fit with conventional shouldered barrels, and some with the savage nut. The critical surfaces are machined to the bolt bore just as a remy and when you are done the bolt head dosen't need to pivot to get full lug engagement, which as JE pointed out, if they do need to pivot, then the bolt face is now angled relative to the amount of offset in the lug abutments. This causes the case head to cant at the angle of misalignment during fire-forming . Now when the bolt is opened and as the bolt face turns relative to the case head it creates a caming pressure which will increase bolt lift/resistance.</p></blockquote><p></p>
[QUOTE="Coyboy, post: 802416, member: 3733"] The only problem with Freds thinking on his time and true is; If the reciever is trued so all surfaces match the existing internal thread tennon, and that thread tennon is un concentric with the bolt bore, the barrel is going to point off at an angle relative to the scope base screws/action centerline. Thus causing the possibility of running out of windage or elevation in a scope. I have seen this on a couple bone stock factory savages. I have trued many savages in my shop that were then fit with conventional shouldered barrels, and some with the savage nut. The critical surfaces are machined to the bolt bore just as a remy and when you are done the bolt head dosen't need to pivot to get full lug engagement, which as JE pointed out, if they do need to pivot, then the bolt face is now angled relative to the amount of offset in the lug abutments. This causes the case head to cant at the angle of misalignment during fire-forming . Now when the bolt is opened and as the bolt face turns relative to the case head it creates a caming pressure which will increase bolt lift/resistance. [/QUOTE]
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Who to use for Savage true job
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