Marshall:
+ Can kill armored players with a single shot
+ Player doesn't need to worry about ammunation since it has more than enough of it
- Missing the first shot can be lethal
Jackal:
+ Doesn't punish the player when missing
+ Effective when hipfiring
- Consumes ammunation very fast
- Becomes useless if you don't hipfire
Rhino:
+ Has the best effective range out of all shotguns (two shots to kill unarmored player from range where Marshall's secondary firemode doesn't damage properly)
+ Doesn't punish the player a lot from missing
+ Kills unarmored player with a single shot, armored player with two shots
- Reloading can take some time (which is why you use Weapon Pro and reload when the magazine/clip/whatever isn't almost empty)
- Overpowered, overpowered, overpowered. O.V.E.R.P.O.W.E.R.E.D.
- P2W P2W PW2 PW2 PW2 PAAAY 2 WIIIIIN
Rhino is the best but Marshall is the coolest.