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Rifles, Reloading, Optics, Equipment
Gunsmithing
Scope mounting holes stripped
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<blockquote data-quote="Jmatt" data-source="post: 1753251" data-attributes="member: 108305"><p>I had a similar problem when I tried to install a one piece DNZ rail/rings. Someone had enlarged the holes on the action and tapped them poorly. The hole closest to the barrel in my case could not be through tapped and I could only get two turns on that screw as it was. So I bought an 8-40 bottom tap, an American made bottom tap, as the hardened steel will just ruin a cheap Chinese tap, and now I get 5 full turns. Also retapped the rest of the holes and bought Torx head screws and ground them down to length to achieve maximum thread contact through the top of the receiver. Probably overkill but the entire sighting system of the rifle starts with mounts that don't move!</p></blockquote><p></p>
[QUOTE="Jmatt, post: 1753251, member: 108305"] I had a similar problem when I tried to install a one piece DNZ rail/rings. Someone had enlarged the holes on the action and tapped them poorly. The hole closest to the barrel in my case could not be through tapped and I could only get two turns on that screw as it was. So I bought an 8-40 bottom tap, an American made bottom tap, as the hardened steel will just ruin a cheap Chinese tap, and now I get 5 full turns. Also retapped the rest of the holes and bought Torx head screws and ground them down to length to achieve maximum thread contact through the top of the receiver. Probably overkill but the entire sighting system of the rifle starts with mounts that don't move! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Scope mounting holes stripped
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