I've had multiple mods on my mind, but I couldn't think of ideas for the weapons. This weapon has concept already, but I didn't like it that much so Im adding my own twist.

The Jury!
Pros:
25% faster deploy and holster speed
Has the ability to go into midi mode, which puts you into a short animation which prepares you to fan the hammer. During midi mode:
50% faster firing speed
20% damage bonus
Cons:
-50% clip size
-25% slower reload speed