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Old 02-02-2004, 07:50 PM
  #5  
Solitary Man
Nontypical Buck
 
Join Date: Feb 2003
Location: Olive Branch MS USA
Posts: 1,032
Default RE: runout driving me nuts

Basically, runout refers to how straight (concentric) your ammo is. It's the amount the cartridge is off center to it's centerline axis. For instance, if you took a cartridge and rolled it across a flat surface and you observed that the tip of the bullet actually wobbles around in a circular manner, that's runout. There are gauges that measure this. Straight ammo is generally (but not always) more accurate. In the real world of big game hunting, however, a slightly crooked cartridge is of no real concern. But we reloaders tend to be an anal bunch, so we try to eliminate every variable that might effect accuracy. I know I do.
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