[SUGGESTION] One type of MG Ammo and Spare Barrel for Assistant

[rwalker959]

Is your feature related to a problem? Please describe.
As an Assistant MG 2 types of MG ammo means you can't link a belt if the MG has another type of ammo loaded. Also they should hold the only spare barrel in the section

Describe the solution you'd like
Single type of MG, probably regular rather than Tracer.

Describe alternatives you've considered
Have less effective gun teams?

Additional context
Add any other context or screenshots about the suggestion here.