| Weapon | Mount | Cost | Range | Attack | Damage | Special |
|---|---|---|---|---|---|---|
| Swivel Gun | Pintle (hardpoint) | 1,000 gp | 60/180 ft. | Firearm attack + proficiency | 3d6 piercing | Uses firearm ammunition and ammunition rules. Requires a gunner with firearms proficiency to operate and reload. |
| Light Cannon | Hardpoint | 4,000 gp | 150/450 ft. | Ranged weapon attack | 8d8 bludgeoning | If the gunner has firearms proficiency, they may add their proficiency bonus to the attack roll. |
| Medium Cannon | Hardpoint | 8,000 gp | 300/900 ft. | Ranged weapon attack | 12d8 bludgeoning | If the gunner has firearms proficiency, they may add their proficiency bonus to the attack roll. |
| Large Cannon | Hardpoint | 16,000 gp | 600/1,800 ft. | Ranged weapon attack | 16d8 bludgeoning | If the gunner has firearms proficiency, they may add their proficiency bonus to the attack roll. Requires two crewmen to reload. |
| Harpoon Ballista | Hardpoint | 8,000 gp | 500 ft. | Ranged weapon attack | 4d10 piercing | On hit, a harpoon and 500 ft. of rope anchored to the hardpoint embeds in the target. A Large or smaller target is restrained. A Huge or larger target is tethered and cannot move beyond 500 ft. from the firing ship. The harpoon can be removed as an action with a DC 18 Strength check, or cut (AC 12, 15 HP). |
| Mortar | Hardpoint | 8,000 gp | 120/600 ft. (min. 30 ft.) | No attack roll | — | Indirect fire — does not require line of sight. Choose a point within range. Each creature within a radius of that point makes a Dexterity saving throw. DC, radius and damage determined by ammunition type. Cannot target a point within 120 ft. Requires two crewmen to reload. |