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Rifles, Reloading, Optics, Equipment
Reloading
Do I need FL sizing die?
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<blockquote data-quote="g0rd0" data-source="post: 748956" data-attributes="member: 44168"><p>I dont know how mikecr develops h2o case capacity (cc). but here is how I do it.</p><p>fire 10 rnds, deprime and neck sise then clean the brass</p><p>trim to lenght and put your bullet on top and seat it by chambering in your rifle</p><p>weigh the 10 then divide by 10 to get the average weight of an empty rnd</p><p>now useing a hypodermic needle fill each one with water through the flash hole (use a q tip to wipe water out of the primer pocket)</p><p>again weigh and divide by 10 subtract the average low from the high and that is your case capacity</p><p>every time you change bullet stlye or weight the cc changes</p><p> </p><p> </p><p>another note, at the same time as you chamber your dummy rnds put a rod down the barrel measure the distance from the muzzle to the tip and add the lenght of the bullet this will give you your true barrel length and the cc and barrel lenght =expansion ratio (er)</p></blockquote><p></p>
[QUOTE="g0rd0, post: 748956, member: 44168"] I dont know how mikecr develops h2o case capacity (cc). but here is how I do it. fire 10 rnds, deprime and neck sise then clean the brass trim to lenght and put your bullet on top and seat it by chambering in your rifle weigh the 10 then divide by 10 to get the average weight of an empty rnd now useing a hypodermic needle fill each one with water through the flash hole (use a q tip to wipe water out of the primer pocket) again weigh and divide by 10 subtract the average low from the high and that is your case capacity every time you change bullet stlye or weight the cc changes another note, at the same time as you chamber your dummy rnds put a rod down the barrel measure the distance from the muzzle to the tip and add the lenght of the bullet this will give you your true barrel length and the cc and barrel lenght =expansion ratio (er) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Do I need FL sizing die?
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