"Ever been in a bind where someone asked you for a headshot but you just couldn't tell what exactly the kind of headshot they wanted? Well those days are over, now you can send them both a photograph and an invitation to a funeral."

Comes in two styles! Regular and Broken Glass (In case Valve prefers it to be an actual pistol).

Proposed stats.
Engineer Pistol
A picture is taken of your enemy causing your sentry to specifically target them and inflict minicrits.
-84% Magazine size.
-98% max ammo.
Can only target one enemy.