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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
#4 or #5 barrel contour for 280AI???
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<blockquote data-quote="cowboy" data-source="post: 1085706" data-attributes="member: 8833"><p>Like everyone has said - you'll be fine with a 9-1/2" twist up to the 168 gr bullet weight - the 180's are going to be questionable depending on the elevation.</p><p></p><p> My rifle and my son's rifle are 1-10" twist and they handle the 168 Bergers from 3500'-10,000' very well. When I built mine I was thinking I would use 145-154 gr pills then tried the 168 Bergers out to 1000 yds and never turned back.</p></blockquote><p></p>
[QUOTE="cowboy, post: 1085706, member: 8833"] Like everyone has said - you'll be fine with a 9-1/2" twist up to the 168 gr bullet weight - the 180's are going to be questionable depending on the elevation. My rifle and my son's rifle are 1-10" twist and they handle the 168 Bergers from 3500'-10,000' very well. When I built mine I was thinking I would use 145-154 gr pills then tried the 168 Bergers out to 1000 yds and never turned back. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
#4 or #5 barrel contour for 280AI???
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