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Rifles, Reloading, Optics, Equipment
Gunsmithing
Tight then loose bore
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<blockquote data-quote="drbill" data-source="post: 1111575" data-attributes="member: 11198"><p>I'm bore slugging a barrel for a gentleman. M70 stw. First 4-5 inches past chamber tight and then loose to muzzle. I dont see any significant erosion or cracking. I normally hand lap the tight spots but this is a whole area and at the beginning of the bore after the chamber. Could the bore be too big the entire length after the tight area? Can I "bump up" the lead slug farther down the bore and mic the slug to measure the bore?</p></blockquote><p></p>
[QUOTE="drbill, post: 1111575, member: 11198"] I'm bore slugging a barrel for a gentleman. M70 stw. First 4-5 inches past chamber tight and then loose to muzzle. I dont see any significant erosion or cracking. I normally hand lap the tight spots but this is a whole area and at the beginning of the bore after the chamber. Could the bore be too big the entire length after the tight area? Can I "bump up" the lead slug farther down the bore and mic the slug to measure the bore? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Tight then loose bore
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