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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
280 AI replacement for 270 Win.
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<blockquote data-quote="cowboy" data-source="post: 373640" data-attributes="member: 8833"><p>phorwath: I probably didn't explain what I mean be using a chronograph for reference only very well. I have been using a chronograph for 20+ years and now have 2 of them. I use them extensively for a number of reasons including MV and whenever I change to a different lot of powder in the same rifle/load etc. What I did mean was that I do not get hung up on single digit ES or SD. If field testing meets my self imposed criteria for accuracy I do not get hung up on single digit spreads. No one implied that chronographs are always off 180 fps. But I can tell you from years of experience that what I think is 3000 fps on my machine is probably a little different on yours. By the way - I live here in Montana and we hunt/shoot from 3000-9000 ft. on a weekly basis depending on the time of year.</p></blockquote><p></p>
[QUOTE="cowboy, post: 373640, member: 8833"] phorwath: I probably didn't explain what I mean be using a chronograph for reference only very well. I have been using a chronograph for 20+ years and now have 2 of them. I use them extensively for a number of reasons including MV and whenever I change to a different lot of powder in the same rifle/load etc. What I did mean was that I do not get hung up on single digit ES or SD. If field testing meets my self imposed criteria for accuracy I do not get hung up on single digit spreads. No one implied that chronographs are always off 180 fps. But I can tell you from years of experience that what I think is 3000 fps on my machine is probably a little different on yours. By the way - I live here in Montana and we hunt/shoot from 3000-9000 ft. on a weekly basis depending on the time of year. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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280 AI replacement for 270 Win.
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