Drake Cannon (5e Equipment)
From D&D Wiki
Martial Ranged Weapons
This experimental alchemic invention is essentially a double-barreled handcannon that fires buckshot. Reloading this weapon requires an action. Due to the spread nature of this weapon's cone of bullets, it is easy to strike a damaging blow up to a point, but the bullets scatter too far to be effective after that point.
Made from similar components to Alchemic Bullets, but formed into specialized masses designed to break apart in the air. These cost 1 gp for 6 shots.