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Rifles, Reloading, Optics, Equipment
Gunsmithing
Lapping throat of custom barrel
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<blockquote data-quote="TwoMore" data-source="post: 1688652" data-attributes="member: 95166"><p>If the reamer used was dull and there are burrs on the lands or even paddle shaped burrs in the freebore (the reason I don't like rented reamers) I would definitely lap rather than shoot those pieces of metal embedded in the bullet down the length of a nice barrel. This happened to me on a 6mm creed I built and I made the huge mistake of renting a uni throater to extend the throat when I looked up in there with my hawkeye I was pis--d so I built a leather lap (hob) with some ISSO and cleaned it up and I also tried it with some 600 on a mandrel , the Isso gave it a nice finish and the barrel shot great and minimal copper fouling during break in</p></blockquote><p></p>
[QUOTE="TwoMore, post: 1688652, member: 95166"] If the reamer used was dull and there are burrs on the lands or even paddle shaped burrs in the freebore (the reason I don't like rented reamers) I would definitely lap rather than shoot those pieces of metal embedded in the bullet down the length of a nice barrel. This happened to me on a 6mm creed I built and I made the huge mistake of renting a uni throater to extend the throat when I looked up in there with my hawkeye I was pis--d so I built a leather lap (hob) with some ISSO and cleaned it up and I also tried it with some 600 on a mandrel , the Isso gave it a nice finish and the barrel shot great and minimal copper fouling during break in [/QUOTE]
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Lapping throat of custom barrel
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