Im back from a week playing with army jeeps and WCs and CCKWs at the rally.
Yes, any tank i sell likely carrys the virus, i often bleed on my models....lol
my OD that is tamiya is 1part each flat brown flat yellow flat black. If you want it a bit darker add more black . For post 1944 tanks you spray over with a clear semigloss coat then decal. This changes the seen to the 1944-45 semigloss od which makes the same color paint darker.
All other paints i tried were just too green.
I guess you are using the taigen IR system? Because its quite easy to convert the airsoft turret to recoil and IR with the clark universal recoil unit.