So I took them off to the range. I put about 30 rnds through the C93 just to make sure it was still working well. It was. This was a mix of Wolf and Fed XM193. Both fired fine with no problems at all.
I then moved on to the V93. The second shot resulted in a FTE. So I cleared it and started again. About three shots and then another FTE, then another four shots and an FTE.
When clearing the FTEs I pulled the charge handle back and locked it to the rear, then noticed that the empty case was sitting in the bolt head fully mounted. This should be impossible. I had to reach in there with my finger and break it loose. So that got me thinking about "Hey, where the hell is the ejector lever tip at???". I looked in there an saw it but it was recessed down and not fully up in the bolt head channel like it was supposed to be.
At this point I was thinking, "Aw crap, those Yahoos put a G3 ejector lever in this gun." I pulled it apart and sure enough... they had done that exact thing. I just started laughing. Glad I took my spare parts kit with me today.
I fished around in my parts and found an HK53 ejector lever and installed it. Then I tried every type of ammo I had with me. They all worked great. All was good in the world again. :)
Well it cost about $1,200, but it seems like a very nice rifle... once you got the correct ejector lever installed. :D