MEC 600 JR Mark V Station 1 Adjustments
Morning all, this may be a dumb question but here it goes. I have a post 1995 600 JR Mark V set up for 12 gauge shells. Station 1 (de-priming/case sizing) station does not properly resize brass on the shells. I have looked on line at MEC adjustments as well as following the limited directions in the manual for this station. However, when I check the brass sizing in a MEC Shell Checker the brass is still slightly to large to fit. At first I thought it may be the particular once fired hulls I was using (RST) but I also checked w/Remington STS once fired hulls and I get the same results.
To make sure I wasn’t losing my mind I resized them in a different 600 JR Mark V that I have and they resize properly. Any thing I’m missing or any suggestions would be appreciated. I may end up ordering new parts for this station but wanted to check before I did as this unit is in good condition and has seen little use. Thanks - Brett
Last edited by Brett Farley; 03-19-2025 at 08:20 PM..
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