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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7 rum
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<blockquote data-quote="TwoMore" data-source="post: 1649949" data-attributes="member: 95166"><p>IMO the throat is pretty short. on factory barrels, at least the 2 I have had, I couldnt reach the lands , they were both around .400 freebore and everything I have seen on the 7 rum says that any closer and the pressures got screwy and would get volatile quick so the slower powders helps that. this one I am shooting now I had a bore rider throat done on my reamer where it reams half of the rifling to .002 instead of .004 for the first .949" of the throat and I am able to run my bullets in the lands .005 and my pressures are very contestant and the rifle will drive tacks</p></blockquote><p></p>
[QUOTE="TwoMore, post: 1649949, member: 95166"] IMO the throat is pretty short. on factory barrels, at least the 2 I have had, I couldnt reach the lands , they were both around .400 freebore and everything I have seen on the 7 rum says that any closer and the pressures got screwy and would get volatile quick so the slower powders helps that. this one I am shooting now I had a bore rider throat done on my reamer where it reams half of the rifling to .002 instead of .004 for the first .949" of the throat and I am able to run my bullets in the lands .005 and my pressures are very contestant and the rifle will drive tacks [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7 rum
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