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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6mm br or 284 win
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<blockquote data-quote="Trickymissfit" data-source="post: 907259" data-attributes="member: 25383"><p>my 6/250 barrel is a 1:8 twist barrel, and shoot almost nothing but 105 grain Amax bullets. It'll shoot the 107's just as well, but have lots of the Amax bullets laying around. I have tried a 115 grain bullet in the eight twist barrel, and the groups opened up to about .47" at 100 yards. Still got nice round holes. The 105's shoot in the quarter inch area. I'd like to think that maybe a 7.5" twist is about right for them at 2800 fps. But the issue could also be in the throat, so I'm not positive. I run the Amax's at 2950fps, and I figure that's about 75fps faster than the 6BR even though some folks are getting 2900+fps out of the 6BR with the same bullet (what kind of pressures?). </p><p> </p><p>Now if it were me, and wanted a serious long range target rifle; I'd be looking at the 6x47 Lapua in a no turn chamber. </p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 907259, member: 25383"] my 6/250 barrel is a 1:8 twist barrel, and shoot almost nothing but 105 grain Amax bullets. It'll shoot the 107's just as well, but have lots of the Amax bullets laying around. I have tried a 115 grain bullet in the eight twist barrel, and the groups opened up to about .47" at 100 yards. Still got nice round holes. The 105's shoot in the quarter inch area. I'd like to think that maybe a 7.5" twist is about right for them at 2800 fps. But the issue could also be in the throat, so I'm not positive. I run the Amax's at 2950fps, and I figure that's about 75fps faster than the 6BR even though some folks are getting 2900+fps out of the 6BR with the same bullet (what kind of pressures?). Now if it were me, and wanted a serious long range target rifle; I'd be looking at the 6x47 Lapua in a no turn chamber. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6mm br or 284 win
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