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Rifles, Reloading, Optics, Equipment
Gunsmithing
barrel crown
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<blockquote data-quote="Susquatch" data-source="post: 473721" data-attributes="member: 31264"><p>I too have hungered after a bore scope. But as you can see from the photo above, a regular off the shelf digital camera in macro mode with a cheap bore light shows terrific detail of the crown area. In fact way more than can be seen with a jeweler's loop.</p><p></p><p>I noticed the wear on the lands and groove with a jewelers loop. But lots of other things became apparent that I never knew till I took a few pictures. For example, the small globules of molten metal, and also note the stain above the defect that marks the boundary of a temper change in the base metal. </p><p></p><p>The temper change tells me that I will probably have to remove about an 1/8 inch of metal to reach virgin barrel metal.</p><p></p><p>My main interest is in knowing ( or at least getting an experienced opinion ) how this damage was done. That will tell me the probability of other internal damage. Which of course I could also see with a bore-scope!!! LOL!</p><p></p><p>Cheers!</p></blockquote><p></p>
[QUOTE="Susquatch, post: 473721, member: 31264"] I too have hungered after a bore scope. But as you can see from the photo above, a regular off the shelf digital camera in macro mode with a cheap bore light shows terrific detail of the crown area. In fact way more than can be seen with a jeweler's loop. I noticed the wear on the lands and groove with a jewelers loop. But lots of other things became apparent that I never knew till I took a few pictures. For example, the small globules of molten metal, and also note the stain above the defect that marks the boundary of a temper change in the base metal. The temper change tells me that I will probably have to remove about an 1/8 inch of metal to reach virgin barrel metal. My main interest is in knowing ( or at least getting an experienced opinion ) how this damage was done. That will tell me the probability of other internal damage. Which of course I could also see with a bore-scope!!! LOL! Cheers! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
barrel crown
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