One of the things I’ve always look at, but haven’t played yet is UltraModern. I love the idea of adding modern armor, weapons or even mechs into the fantasy world (ala Shadowrun).
Guns
Guns breakdown into a few categories:
Light – one / two handed weapon limited ammo (light ammo only). (when used two handed gain +2)
Heavy – two handed – had slower reload or slower rate of fire, or …
Attributes
Automatic Fire – if you crit on a roll (18+) roll again with disadvantage against the next closest enemy target or the same target. Attack over and over until you miss or run out of ammo.
Load Out – the ammo of ammo that can be used before requiring reload
Rate of Fire – the amount of ammo expelled in a round
Reload – how many rounds to reload (change cartridge, eject shells, etc)
Armor Piercing – this would be a bonus that negates a certain amount of armor AC (not dex or base) you can’t go lower than the AC + Dex
Range – no change from the current rules
Example
Revolver
type: light
damage: per ammo
range: 50/250
weight: 2 lb
load out: 6
rate of fire: 2
reload: 2 rounds
cost: $150
Semi Automatic Pistol
type: light
damage: per ammo
range: 30/150
weight: 2 lb
load out: 10
rate of fire: 2 or auto
reload: 1 round
cost: $450
Ammo
Light: Regular
Damage: 1d6
Cost: $25 for 100 rounds
Light: Armor Piercing
AC -5
Damage: 1d8
Cost: $250 for 100 rounds
Light: Hollow Point
Damage: 1d10
Cost: $200 for 100 rounds
Thoughts? Ideas?