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Rifles, Reloading, Optics, Equipment
Gunsmithing
Lapping throat of custom barrel
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<blockquote data-quote="J E Custom" data-source="post: 1690399" data-attributes="member: 2736"><p>You learned the hard way about how a poor/dull reamer does and I am sorry. The reason I post many times is to prevent this type of thing from happening. In my shop, reamers are treated like diamonds. they all have protected sleeves and separate bins for storage. so they never touch each other. I am also very picky about the manufacture and currently only buy two brands because of the way they cut. I can't blame you for cleaning up the throat if it was bad, but the reason I said that a rough throat was a sign of something wrong was the purpose.</p><p></p><p>Just like the polishing of a chamber means that the reamer was not sharp and/or the spindle speed was wrong. And your experiences were nothing that most smiths haven't experienced. I do a lot of repair to rifles that have great barrels but poor craftsmanship. there was also mention of solid pilot marks earlier and this can be remedied</p><p>if you under stand the cause, and how to prevent it.</p><p></p><p>I have both solid piloted and removable piloted reamers and find that the solid pilots work very good as long as they fit properly. I have a 3 set removable pilot set for each piloted reamer because some barrels are different than others and the fit is critical. the solid pilot reamers must fit, and if I don't like the fit I will normally replace it with a removable piloted reamer. On these reamers I also always use a heavy high temp/pressure grease to prevent it from leaving any marks and to improve the fit.</p><p></p><p>There are so many things that can go wrong, that If you know the sign, sometimes you can overcome them.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1690399, member: 2736"] You learned the hard way about how a poor/dull reamer does and I am sorry. The reason I post many times is to prevent this type of thing from happening. In my shop, reamers are treated like diamonds. they all have protected sleeves and separate bins for storage. so they never touch each other. I am also very picky about the manufacture and currently only buy two brands because of the way they cut. I can't blame you for cleaning up the throat if it was bad, but the reason I said that a rough throat was a sign of something wrong was the purpose. Just like the polishing of a chamber means that the reamer was not sharp and/or the spindle speed was wrong. And your experiences were nothing that most smiths haven't experienced. I do a lot of repair to rifles that have great barrels but poor craftsmanship. there was also mention of solid pilot marks earlier and this can be remedied if you under stand the cause, and how to prevent it. I have both solid piloted and removable piloted reamers and find that the solid pilots work very good as long as they fit properly. I have a 3 set removable pilot set for each piloted reamer because some barrels are different than others and the fit is critical. the solid pilot reamers must fit, and if I don't like the fit I will normally replace it with a removable piloted reamer. On these reamers I also always use a heavy high temp/pressure grease to prevent it from leaving any marks and to improve the fit. There are so many things that can go wrong, that If you know the sign, sometimes you can overcome them. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Lapping throat of custom barrel
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