RCBS Universal Primer Arm
By Michael G.
on Jul 02, 2023
Having 2 primers drop at a time when using my old primer arm to tap the button to get a primer to drop from the primer sleeve into the primer cup, but seeing no visible problem w/my old primer arm, I inserted the new RCBS primer arm & cup and found only 1 primer to drop at a time into the cup - as it should have been.
Problem solved.
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