How to drop fire barrels ac4

I'm embarrased to ask this but can someone tell me how to drop the fire barrels during naval combat? I hadn't played this game in a few days. Assassin's Creed IV Black Flag > Allmänna diskussioner > Ämnesdetaljer someone tell me how to drop the fire barrels during naval combat?. Assassin's Creed IV Black Flag > Algemene discussies.

Assassin's Creed IV Black Flag > Yleiset keskustelut > Aiheen. No way to just fire them only. The only way to fire them is to move the camera angle so it looks behind you and fire. Then use your swivel guns. For Assassin's Creed IV: Black Flag on the Xbox , a GameFAQs message board topic titled "Best use of fire barrels.".

Assassin's Creed IV: Use a fire barrel to sink a ship fire if needed and then sweep the Jackdaw's stern by them to drop the barrels on them. Explosive Barrels are barrels that are on fire. They are launched from the back the of ship and explode if you sail into them and can be blown. I used mortors while the ship was far off, and ass soon as she started speeding to me I ran and dropped fire-barrels and avoided the inevitable. Probably a stupid question but I can't figure out for my life how to drop the barrel. Btw I'm on ps4.