Found MEC Charging Bar Guide
Hi Everyone,
I found a MEC Charging Bar Guide with data for the 12 GA 0 red charge bar. It throws 1 1/8 oz of shot and a specified powder charge per the MEC Charging Bar Guide table.
If anyone wants a copy of the MEC Charging Bar Guide table, I'll send you one. It includes all the old red charge bars numbered from 0 to 16, and some of the numbers have a single letter behind them like OH, 1B, 8W, etc.
I couldn't find the Charging Bar Guide on MEC's website. Thanks for the idea to check the first edition of the Lyman Shotshell Handbook published in 1969. Someone on another forum said to look on the the ShotgunWorld.com website.
The 12 GA 0 red charge bar dates back to the late 60's and early 70's. I finally found the original paperwork that came with my Dad's Versamec 700 and the Charging Bar Guide is on the back of the parts diagram. It is dated Oct 5th 1972. Plus via a gun show find, I picked up an original MEC 600 JR parts diagram with the Charging Bar Guide on the back and that was dated July 3rd 1969.
Thanks everyone for helping solve this mystery. I really appreciate it.
helenajoe