I got the idea in the first place because the different ranged and melee weapons are already there:
Pistol - Range 6", Piercing (1), Reload, Pound
Blunderbuss - Range 9", Breath, Piercing (1) Reload
Rifle - Range 12", Marksman, Piercing (1), Reload
Musket - Range 12", Marksman, Piercing (2), Reload
Marksman’s Rifle - Range 15", Marksman, Piercing (1), Reload (rare)
Spear, Helbard, Heavy Weapons, Two-handed Weapons, and special rules like Gun Smoke, Combined Fire, etc.