Quote:
Originally Posted by eyedoc
Great article. I am fairly new to reloading, what do you mean by runout?
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Welcome to the site. Check out this thread
bullet runout
Runout is essentially how straight your reloaded round is. If your chamber is perfectly straight/square and the brass is perfectly consistent in thickness (not gonna happen) then straight rounds are easy to make.
Runout is measured in 1/1000" of an inch with fixtures like this,
Concentricty Gauge
With good brass and good processes, you should be able to get .002" or less runout.
HTH
AJ