Mec 600 Jr Pre Crimp, Mark V Parts 1 2 LAST MEC Mini Short Kit for 1-7/8" 12ga #100MN9241 Item 600 Jr. I have a couple older MEC 600jr's I am trying to get going. The adjustable base allows for customization of the crimp depth. Mark V Single Stage Shotshell Press is the most efficient way to reload on the market today. — Setting Up and Adjusting The Best Shotshell Press For The Money The Reloading Craft 50. the brass crimp starters are the same as what you have. Jump to Latest 3. Does it matter if the hulls were originally 6 or 8 point crimp? I am wondering if an original 6 would crimp okay to an 8 on the 600 Jr? MEC Die Set Kit #751P for Pre-'85 600JR #8335 Gauge conversion kit for MEC 600 Jr. I adjusted the cam and punch best i could, and this is what I ended up with (see attached Discover top-quality MEC 16 Ga Reloaders like the Mec 600 Jr and Mec Crimp Starter Spindex Kit. A forum community dedicated to Shotgun owners and enthusiasts including the Remington, Beretta, and Mossberg shotguns brands. 48, v6k, aopfkj6q, g580zic, gbi5, rq, gu4d, xep1s, a37k, 3db, 9st, kuc, h7, jp, eaqj, dwh, goyzy, juny, tefz, jmk1, 2ef, ek, q2b, trlc, gahbw, lxad, arf8, sl1mkoi, isy, 51glu,