I can see it now...
Friendly med: "Heal?"
Guy on other team: "Sure, thanks."
*Friendly med shoots other guy.*
Guy: "What the hell!"
Friendly med: "SORRY!!1 *Capslock* Wrong button.. Let me try again."
*Kills the guy.*
Friendly med: "..."
Here's an edit I made of the gun. I made the tag more noticable by adding a white area around it. I took the "streamer prongs" to show that alternative gun barrels could be better than just a straight, normal gun barrel, especially for "tool" weapons.
