The “public” can buy armored vehicles if they have deep enough pockets. What need is there? There are You Tube videos on how to easily sabotage the subject of this thread with inexpensive materials. Both the US and USSR learned in Afghanistan that even 7th Century tribes can keep a modern army busy, much less modern militias with good weapons.
Easily sabotaged. That is why you need infantry to protect it while it’s protecting the infantry....