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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
custom rifle showing funky groups,.....HELP GUYS!!!!
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<blockquote data-quote="Mysticplayer" data-source="post: 27201" data-attributes="member: 8947"><p>Any consistency to where the flyer goes or do your composite groups look like a pattern with a central group?</p><p></p><p>Consider: Bedding, rolling during recoil, powder and pressure spikes, concentricity of ammo, over sized throat/freebore, scope and mount looseness, flinching?</p><p></p><p>For the first while, I like to shoot over a chronie so that I can see if any flyers are due to vel/pressure spikes or drops. That way i can mark the case and refire. If the flyer persists, then the case gets pitched. Do your load development with fireformed/neck sized brass only. Measure runout and correct if necessary. </p><p></p><p>Measure the fired brass before sizing and bullet seating to track down any problems you may have during the loading process.</p><p></p><p>The rest is straight forward. Good luck with your quest.</p><p></p><p>Jerry</p></blockquote><p></p>
[QUOTE="Mysticplayer, post: 27201, member: 8947"] Any consistency to where the flyer goes or do your composite groups look like a pattern with a central group? Consider: Bedding, rolling during recoil, powder and pressure spikes, concentricity of ammo, over sized throat/freebore, scope and mount looseness, flinching? For the first while, I like to shoot over a chronie so that I can see if any flyers are due to vel/pressure spikes or drops. That way i can mark the case and refire. If the flyer persists, then the case gets pitched. Do your load development with fireformed/neck sized brass only. Measure runout and correct if necessary. Measure the fired brass before sizing and bullet seating to track down any problems you may have during the loading process. The rest is straight forward. Good luck with your quest. Jerry [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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custom rifle showing funky groups,.....HELP GUYS!!!!
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