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Rifles, Reloading, Optics, Equipment
Gunsmithing
Major copper fouling?
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<blockquote data-quote="L.Sherm" data-source="post: 1933256" data-attributes="member: 102083"><p>There usually tooling Mark's left from reaming the barrel after drilling.</p><p>Custom button barrel makers usually pre- lap to get the reamer Mark's out before they pull or push the button through for rifling.</p><p>If the marks are there before the button process they will be there after.</p><p>If you scope a barrel with these marks it will look like a set of railroad track across the lands and grooves.</p></blockquote><p></p>
[QUOTE="L.Sherm, post: 1933256, member: 102083"] There usually tooling Mark's left from reaming the barrel after drilling. Custom button barrel makers usually pre- lap to get the reamer Mark's out before they pull or push the button through for rifling. If the marks are there before the button process they will be there after. If you scope a barrel with these marks it will look like a set of railroad track across the lands and grooves. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Major copper fouling?
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