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Rifles, Reloading, Optics, Equipment
Gunsmithing
Uneven Rifling
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<blockquote data-quote="Greyfox" data-source="post: 1782516" data-attributes="member: 10291"><p>I'm by no means a gunsmith, but I looks as if the rifling button may have had different depth groove formers....perhaps out of spec.. During the chamber cutting step, the reamer(throat) dimension was less then the oversized former for that particular groove(s), producing the variation shown in the OP's photos. Alternatively, the initially drilled bore, before button rifled, in that section of the barrel could have been out of round, producing the same effect. The blank bore dimension and the button have to meet exact dimensions for a correct barrel/chamber. If the rifle/barrel was un-altered, I would definitely send the rifle back to Savage. Several years ago, Savage, located about an hour away, invited our club to the plant, and took us through the production process.....interesting field trip!</p></blockquote><p></p>
[QUOTE="Greyfox, post: 1782516, member: 10291"] I’m by no means a gunsmith, but I looks as if the rifling button may have had different depth groove formers....perhaps out of spec.. During the chamber cutting step, the reamer(throat) dimension was less then the oversized former for that particular groove(s), producing the variation shown in the OP’s photos. Alternatively, the initially drilled bore, before button rifled, in that section of the barrel could have been out of round, producing the same effect. The blank bore dimension and the button have to meet exact dimensions for a correct barrel/chamber. If the rifle/barrel was un-altered, I would definitely send the rifle back to Savage. Several years ago, Savage, located about an hour away, invited our club to the plant, and took us through the production process.....interesting field trip! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Uneven Rifling
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