Technically not hand-*held*, but it is a one-handed weapon.

[![enter image description here][1]][1]

Aiming is intuitive and precise, and the signal to fire is unambiguous.

[![enter image description here][2]][2]


  [1]: https://i.sstatic.net/BeMEGm.jpg
  [2]: https://i.sstatic.net/vGFLt.gif