I thought they were all bulletproof
Discussion
there's some company selling kits to fit them out with all kinds of armor
would be pretty awesome having all the IED and mad max style slitted windscreen going on haha
also, new kind of infrastructure attack would be shooting thermite rounds into the battery to make it start burning
The stainless steel, yes, slightly. It withstands 9mm, but not higher velocity rifle rounds. It will probably do OK against shrapnel from artillery rounds.