You want to put a weapon in WHAT? Options

[The Overlord]

As i was tricking out the gear on one of my most recent characters, who is a rigger, i got around to wondering what kind of toys i could give them. While there are the obvious choices like the doberman, what other kinds of drones (or drone like toys) could i turn into a weapon while still following the the rules.

So I ask you all, what kind of crazy stunts of this nature have you all pulled?

Additionally I am curious about mounting a weapon on a small drone despite its body being below 3 (as the Modified GMC Chariot goes against the rule and the attitude suppliment mentions puting a hold-out pistol into a medusa extensions.)