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Shell Dimensions?
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https://forums.accuratereloading.com/eve/forums/a/tpc/f/971103014/m/425107619
26 August 2008, 12:02
BigFiveJack
Shell Dimensions?
Can anyone tell me what the official
measurements are supposed to be for a
20 gauge, 3 inch shell:
rim diameter, rim thickness, base diameter?
Thank you.
Jack
OH GOD!
{Seriously, we need the help.}