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Rifles, Reloading, Optics, Equipment
Reloading
Concentricity - setting up dies - runout
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<blockquote data-quote="Bart B" data-source="post: 507133" data-attributes="member: 5302"><p>I think this depends on how much the brass case gets sized. I've reloaded a new Federal .308 Win. brass case 47 times, fired with max loads and full length sized each time. Neck tension remained uniform enough to keep bullet seating force quite consistant and muzzle velocity spread from first to last firing was no more than 30 fps. Standard SAAMI spec chamber was used as well as a standard RCBS full length sizing die but the die's neck was lapped out to 2.5 thousandths smaller than a loaded round's neck diameter. Case was never annealed in this process.</p></blockquote><p></p>
[QUOTE="Bart B, post: 507133, member: 5302"] I think this depends on how much the brass case gets sized. I've reloaded a new Federal .308 Win. brass case 47 times, fired with max loads and full length sized each time. Neck tension remained uniform enough to keep bullet seating force quite consistant and muzzle velocity spread from first to last firing was no more than 30 fps. Standard SAAMI spec chamber was used as well as a standard RCBS full length sizing die but the die's neck was lapped out to 2.5 thousandths smaller than a loaded round's neck diameter. Case was never annealed in this process. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Concentricity - setting up dies - runout
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