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Rifles, Reloading, Optics, Equipment
Reloading
speeds variations
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<blockquote data-quote="dok7mm" data-source="post: 1120738" data-attributes="member: 90080"><p>You didn't state whether you are shooting factory ammo or reloads. Possible causes are : faulty chrono, imprecise set-up of chrono, neck tension variance, actual powder charge variance, age of ammo and storage history, consistent base to ogive length and I could go on and on. Finally, a 3 shot group is a poor measurement of how consistent a load is. If you shot a quick 3 rounds over a chronograph, most likely the barrel heat is the culprit --- or you left an unfired round in a heated chamber a little longer before getting your shot off. Hope this gives you some things to check.</p></blockquote><p></p>
[QUOTE="dok7mm, post: 1120738, member: 90080"] You didn't state whether you are shooting factory ammo or reloads. Possible causes are : faulty chrono, imprecise set-up of chrono, neck tension variance, actual powder charge variance, age of ammo and storage history, consistent base to ogive length and I could go on and on. Finally, a 3 shot group is a poor measurement of how consistent a load is. If you shot a quick 3 rounds over a chronograph, most likely the barrel heat is the culprit --- or you left an unfired round in a heated chamber a little longer before getting your shot off. Hope this gives you some things to check. [/QUOTE]
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