An attachment which lengthens the barrel, increasing muzzle velocity.
― In-game description
The Flash drive with data on pistol barrel modification is a mission item in S.T.A.L.K.E.R.: Clear Sky.
General information[]
The flash drive contains upgrade data for a Black Kite pistol and can be delivered to Aydar in the Loners base at the Agroprom for a reward of 1125 RU, after which he will be able to apply the upgrade to the player's weapons.
Location[]
Location of the stash.
The flash drive is located in a stash at the Garbage named Black backpack in wreckage. The location of the stash can be bought from Vasyan, Garin or Tooth for 500 RU.
