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Rifles, Reloading, Optics, Equipment
Gunsmithing
Tight then loose bore
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<blockquote data-quote="LoneTraveler" data-source="post: 1117860" data-attributes="member: 77249"><p>Sounds to me if this is a factory barrel. I am wondering if it is a hammer forged barrel. With hammer forging it is beating the barrel blank to a mandrel with the rifling cut on it. Because of the heating from the hammering, Machine operation, Mal ability of the blank of steel it would be possible to come up with loose and tight spots all along the barrel. Would get down to money wise. Spend a lot of time on this barrel and hope it works or just replace it....... I lapped a 22 RF barrel for a friend of mine last summer (It was a labor of love to get the rifle to shoot, not a paying job.) It took about 2 weeks off and on and 3 or 4 trips to the range before I got it shooting one hole groups at 50 yards. If I had been charging for the work it would not have been worth it to him.</p></blockquote><p></p>
[QUOTE="LoneTraveler, post: 1117860, member: 77249"] Sounds to me if this is a factory barrel. I am wondering if it is a hammer forged barrel. With hammer forging it is beating the barrel blank to a mandrel with the rifling cut on it. Because of the heating from the hammering, Machine operation, Mal ability of the blank of steel it would be possible to come up with loose and tight spots all along the barrel. Would get down to money wise. Spend a lot of time on this barrel and hope it works or just replace it....... I lapped a 22 RF barrel for a friend of mine last summer (It was a labor of love to get the rifle to shoot, not a paying job.) It took about 2 weeks off and on and 3 or 4 trips to the range before I got it shooting one hole groups at 50 yards. If I had been charging for the work it would not have been worth it to him. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Tight then loose bore
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