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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: 373557" data-attributes="member: 8833"><p>I have learned that my chronograph readings are for reference only. When I was shooting at various distances to get data to have a turret built I finally had the light bulb come on. Shot very same loads over 3 different chronographs. Called the manufacturer up of the chrony I use and was told they are accurate to+ or - 3%. On 3000 fps that is a 180fps difference total. I will always use actual shooting data over a chronograph readings any day. If you are not sure of this call the manufaturer of the chronograph you are using and ask them for their accuracy limitations.</p></blockquote><p></p>
[QUOTE="cowboy, post: 373557, member: 8833"] I have learned that my chronograph readings are for reference only. When I was shooting at various distances to get data to have a turret built I finally had the light bulb come on. Shot very same loads over 3 different chronographs. Called the manufacturer up of the chrony I use and was told they are accurate to+ or - 3%. On 3000 fps that is a 180fps difference total. I will always use actual shooting data over a chronograph readings any day. If you are not sure of this call the manufaturer of the chronograph you are using and ask them for their accuracy limitations. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
280 AI replacement for 270 Win.
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