Fortnite v4.5 content update (Drum Gun)

Fortnite has added in the Drum Gun as part of its v4.5 content update. We have the full details straight from Epic below.

Suppressing Fire!

Topple your rivals with the latest weapon to drop into Battle Royale, the Drum Gun.

Drum Gun (Battle Royale)
The stopping power of a rifle and the fire rate of an SMG. Find the new Drum Gun in-game now.

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Battle Royale

Weapons + Items

• Drum Gun added
  • The Drum Gun is a hybrid weapon that combines the stopping power of a rifle with the suppressive ability and fire rate of an SMG.  
  • Available in Uncommon and Rare variants.
    • 26/27 base damage.
  • 50 round capacity.
  • Uses Medium Ammo.
  • Can be found from floor loot, chests, and Vending Machines.

Source