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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Loose bore = Less Velocity?
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<blockquote data-quote="VinceMule" data-source="post: 2879691" data-attributes="member: 122164"><p>I have seen bores that measured tight on the breach end and tight at the muzzle, opening up in the middle, and bores that measure tight on the breach end and open up toward the muzzle(called trombone barrels) exhibit issues like Shane describes.</p><p></p><p>There are many factors that can contribute, but barrels are individuals. Rough barrel bores are another type of animal to deal with.</p><p></p><p>The fouling build-up in the bore can do some strange things. I saw a 6.5 x 55 exhibit over max pressure on below minimum charge due to copper fouling.</p></blockquote><p></p>
[QUOTE="VinceMule, post: 2879691, member: 122164"] I have seen bores that measured tight on the breach end and tight at the muzzle, opening up in the middle, and bores that measure tight on the breach end and open up toward the muzzle(called trombone barrels) exhibit issues like Shane describes. There are many factors that can contribute, but barrels are individuals. Rough barrel bores are another type of animal to deal with. The fouling build-up in the bore can do some strange things. I saw a 6.5 x 55 exhibit over max pressure on below minimum charge due to copper fouling. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Loose bore = Less Velocity?
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