So just to clarify android armour and looks are completely random due to being made in a similar fashion to how they are made in the Nier series. This allows them a great amount to customize their bodies and armour they wear.
[Bullet image]
The 2 on the left are the bullets I'm on about
The 2 on the right are for the sniper wich is just for the sniper tho that is the rifle just a longer barrel and a scope I'll find a proper image and post it next chapter