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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
5R rifling
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<blockquote data-quote="DJ Fergus" data-source="post: 2073664" data-attributes="member: 93895"><p>First let me say that, I have no concern whatsoever that this would have any significant effects on accuracy. Just stating some observations. I have some older 5R bartleins that I've borescoped in the past. They looked pretty much like I expected them to with the ramps from the lands into the grooves being equal. I have a newer bartlein that I borescoped a couple of nights ago. I noticed that the ramp on one side of the lands was longer with less angle. Not exactly, but similar to what a shilen ratchet land & groove might look like or similar to a Broughton canted land. </p><p></p><p>Have any of you fellows borescoped & noticed anything similar on a bartlein?</p></blockquote><p></p>
[QUOTE="DJ Fergus, post: 2073664, member: 93895"] First let me say that, I have no concern whatsoever that this would have any significant effects on accuracy. Just stating some observations. I have some older 5R bartleins that I've borescoped in the past. They looked pretty much like I expected them to with the ramps from the lands into the grooves being equal. I have a newer bartlein that I borescoped a couple of nights ago. I noticed that the ramp on one side of the lands was longer with less angle. Not exactly, but similar to what a shilen ratchet land & groove might look like or similar to a Broughton canted land. Have any of you fellows borescoped & noticed anything similar on a bartlein? [/QUOTE]
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