Just like the Tediore Handgun, Jakobs Revolver, and Maliwan Aegis, Hand Cannons can spawn with one of four different barrels. This title of pistols comprises of a wide range of varians, each with their own properties depending on the type of muzzle equipped:
Dahl barrel: Improves on the weapon's base stability properties such as accuracy, recoil and recoil recovery.
Tediore barrel: Increase in damage but less accuracy.
Bandit/scav barrel: Increase in damage but less accuracy.