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A Duckbill choke is an attachment for shotguns that flattens the weapon's firing pattern, diverting pellets more towards the sides.
Battlefield 4[edit | edit source]
— In-game description
The Duckbill changes the hipfire crosshair to a horizontal oval-shaped crosshair instead of the usual circular shape.
Battlefield 1[edit | edit source]
While not appearing by name, the Sweeper variant of the M97 Trench Gun has a muzzle attachment resembling a Duckbill. Similar to Battlefield 4, this attachment increases the spread of shotguns along the horizontal plane with less vertical spread.