RCBS Pro Chucker Case Feeder Bottom Stop Pin Upgrade

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When I install the case feeder to my RCBS Pro Chucker Pro 7 progressive reloading press, I quickly realized that the bottom stop pin occasionally hangs up; causing a jerk move that pushes the pin all the way up to the rail, which could bend or break the pin if not recognized by the user before cycling down the shell plate. I noticed heavy grease help with this but doesn't cure the problem 100%. I thought a spacer could be a good fix, however quickly realized it can bounce back after hitting the spacer. Then I tried those silver colour button type magnets as both spacer and means to hold the bottom stop pin in place. Worked like a charm, 100% free of any issues. This holder will take 2 ea. 9mm diameter, 3mm thick magnets. Magnets stay in place by magnetic attraction to the rail. Screw and nut are M4.