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Rifles, Reloading, Optics, Equipment
Videos Of Tech Stuff And Reviews
Scope mounts and lapping..??
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<blockquote data-quote="SBruce" data-source="post: 486205" data-attributes="member: 21068"><p>Yes, many times. It's not so much a new thing as it is more people are maybe paying attention to it now.</p><p> </p><p>I've been mounting alot of high dollar scopes lately, and don't want ring marks if I can avoid it. I also don't want to take any chance of bending the tube on those expensive scopes. Additionally, lapping in properly gives more surface contact between each ring and the scope, thereby theoretically adding more clamping force, and less chance of scope slippage inside the rings.</p><p> </p><p>Lapping is not a cure all however, some rings are "pinched" and need to be slightly spread out or they will mark the scope. Others are not aligned with one another exactly square left to right (dovetail and windage adjustable types are kinda famous for this). A precision made scope ring alignment tool will show you if this is the case, and a lapping bar will aid in alignment of those types of rings. Still, another issue that crops up sometimes is that one ring is higher than the other, which is where shimming comes in. I haven't done any of that, and hope I never have to. </p><p> </p><p>Sinclair/Brownells make scope alignment and lapping kits, so does Wheeler. I prefer the lapping compound that comes with the Sinclair model, it seems to clean up easier.</p></blockquote><p></p>
[QUOTE="SBruce, post: 486205, member: 21068"] Yes, many times. It's not so much a new thing as it is more people are maybe paying attention to it now. I've been mounting alot of high dollar scopes lately, and don't want ring marks if I can avoid it. I also don't want to take any chance of bending the tube on those expensive scopes. Additionally, lapping in properly gives more surface contact between each ring and the scope, thereby theoretically adding more clamping force, and less chance of scope slippage inside the rings. Lapping is not a cure all however, some rings are "pinched" and need to be slightly spread out or they will mark the scope. Others are not aligned with one another exactly square left to right (dovetail and windage adjustable types are kinda famous for this). A precision made scope ring alignment tool will show you if this is the case, and a lapping bar will aid in alignment of those types of rings. Still, another issue that crops up sometimes is that one ring is higher than the other, which is where shimming comes in. I haven't done any of that, and hope I never have to. Sinclair/Brownells make scope alignment and lapping kits, so does Wheeler. I prefer the lapping compound that comes with the Sinclair model, it seems to clean up easier. [/QUOTE]
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