Update 2 : Plan 1 of creating a smaller new test faction manually created with one group didn't work. still the same issue. Really stumped now

Update 1 : I've continued to test and its a strange problem indeed. for example earlier today I placed Infantry sectionA down in the editor hit play and 6/7 of my squad members had no ammo. I accidently hit restart instead of returning to editor, just as well, as I now discover only 3/7 had no ammo. So I hit restart again and again all with different results.

Completely bloody random lol

At this stage I'm thinking of trying:

1. Creating a small and quick test faction with just an infantry group made up with units from 3cb, compiling and then testing if the problem rears its ugly head.
If this works fine then I would move onto....
No luck

2. Loading ORBAT back up and recompile my original effort (maybe something went wrong in the export process)
3. Redo the faction (It wouldn't take long, only adding a few units, a mech group and armour section)

As plan 1 didn't work...thought there was no need for 2 n 3 as it relied on the same principle in creation

or if all fails

4. Creating the faction from scratch and using my own custom loadouts for each individual unit rather than hoping it inherits loadouts from 3cb mod package. maybe start small to test.

I'll let you guys know either way just incase someone else stumbles upon this problem.

Quick question Can we create custom ammo boxes with ORBAT? I see the crate option but where do I paste that information? I googled but couldn't see anything...

Thanks again,
Agent.