Coilguns are a type of electrical gun which has different mechanics from railguns.
The main difference in gameplay is that they usually fire large projectiles (1 kilogram or more) and have a much lower muzzle velocity than railguns.
Pros
- They are able to fire heavy payloads, such as flak or nukes
- They do not have to have super long barrels to do this
Cons
- They are generally harder to make
- They will almost always have a lower muzzle velocity than railguns when firing sub kilogram projectiles
- they require a ridiculous amount of tweaking before they work well, on top of being more complicated to edit
- the ability to fire a nuke out of a coilgun can be mitigated by a laser, so you might have your own nukes blowing up the moment they come out of the gun if they are not armored.