Installing a muzzle brake allows recoil to be reduced significantly.
― In-game description
The Flash drive with data on a machine gun muzzle break is a mission item in S.T.A.L.K.E.R.: Clear Sky.
General information[]
The flash drive contains upgrade data for a RP-74 machine gun and can be delivered to Thunderov in Duty's base at the Agroprom Research Institute for a reward of 7500 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 Agroprom Research Institute named Cylinders on grave. The location of the stash can be bought from Major Zvyagintsev of Duty for 4000 RU.
