unit marking

I have perused this forum before and haven't found any info on this set of unit markings. Im unsure of what unit this would be. It is from my 1918 Erfurt luger. II./J.R.15.36. (The 36 being a smaller text size.) The way I'm seeing it is 2nd jaeger regiment.. and that's all I have. Any help...

I have a 1917 Erfurt with unit markings R.J.B.17.2.K.29. I'm new at this - what does that signify? Was this unit in combat? My Dad had it from WWII. Thanks

Hi, The following post is for a 1916 Erfurt P08 on GB: http://www.gunbroker.com/Auction/ViewItem.aspx?Item=473618369 The gun is in poor condition with a mismatched safety sear bar. I'm not interested in purchasing it, but I'm trying to learn about unit markings. This one appears a little...