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Rifles, Reloading, Optics, Equipment
Gunsmithing
Scope mounts...
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<blockquote data-quote="Kennibear" data-source="post: 894340" data-attributes="member: 51650"><p>Steyr Luxus</p><p></p><p>I really need a longer venue. Measure the tubing and mark it with the size. Since I buy 3' or so rem's I cut 10" pieces off. By using different portions of the 10" piece of tube you get about 8 - 10 lappings with it before chucking it. Old school lapping uses a soft lap tool for a hard item so the abrasive embeds in the lap and is captured there forming a perfectly shaped abrasive tool. The abrasive moves with the lap and works across the surface of the item.</p><p></p><p> Aluminum tube works on steel rings. On aluminum rings you have to clean all the grit out but an aggressive solvent like lacquer thinner (or nitromethane followed by lacquer thinner) will get all of the abrasive out.</p><p></p><p> Measure your scope diameter. I have found them to be less than 1" by maybe two thousandths. Use a lap tube at or slightly less than the scope's measured diameter. Hence the multiple sizes of lap stock I keep on hand. I have a 1" standard I take to Metal Supermarket to set my caliper, it makes fast work at the rem pile.</p><p></p><p>Probably should use 1 - 2 thousandths under every time. Just my opinion, there are much better machinists here that can better advise on that.</p><p></p><p>KB</p></blockquote><p></p>
[QUOTE="Kennibear, post: 894340, member: 51650"] Steyr Luxus I really need a longer venue. Measure the tubing and mark it with the size. Since I buy 3' or so rem's I cut 10" pieces off. By using different portions of the 10" piece of tube you get about 8 - 10 lappings with it before chucking it. Old school lapping uses a soft lap tool for a hard item so the abrasive embeds in the lap and is captured there forming a perfectly shaped abrasive tool. The abrasive moves with the lap and works across the surface of the item. Aluminum tube works on steel rings. On aluminum rings you have to clean all the grit out but an aggressive solvent like lacquer thinner (or nitromethane followed by lacquer thinner) will get all of the abrasive out. Measure your scope diameter. I have found them to be less than 1" by maybe two thousandths. Use a lap tube at or slightly less than the scope's measured diameter. Hence the multiple sizes of lap stock I keep on hand. I have a 1" standard I take to Metal Supermarket to set my caliper, it makes fast work at the rem pile. Probably should use 1 - 2 thousandths under every time. Just my opinion, there are much better machinists here that can better advise on that. KB [/QUOTE]
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