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Rifles, Reloading, Optics, Equipment
Gunsmithing
New barrel chamber off center, 2 lands going back to neck... Pictures
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<blockquote data-quote="shinbone" data-source="post: 2475700" data-attributes="member: 15248"><p>I am not a gunsmith, but the way I understand it, the lands being cut away more on one side than the other most likely happens when the chambering process is two steps. The first step cuts the chamber but not the throat, and the second step then cuts just the throat. This method is used to allow different freebore and different neck diameters. If the throating step is not carefully done, the cutter can get off center, perhaps where the throating reamer is unpiloted(?) and/or operated by hand(?).</p><p></p><p>[URL unfurl="true"]https://pacifictoolandgauge.com/throat-and-neck-reamers/5226-17-cal-uni-throater-kit.html[/URL]</p></blockquote><p></p>
[QUOTE="shinbone, post: 2475700, member: 15248"] I am not a gunsmith, but the way I understand it, the lands being cut away more on one side than the other most likely happens when the chambering process is two steps. The first step cuts the chamber but not the throat, and the second step then cuts just the throat. This method is used to allow different freebore and different neck diameters. If the throating step is not carefully done, the cutter can get off center, perhaps where the throating reamer is unpiloted(?) and/or operated by hand(?). [URL unfurl="true"]https://pacifictoolandgauge.com/throat-and-neck-reamers/5226-17-cal-uni-throater-kit.html[/URL] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
New barrel chamber off center, 2 lands going back to neck... Pictures
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