|“|| This durable steel barrel resists deformation and allows for better bullet acceleration.|
- Ingame item description.
The Flash drive with data on sniper rifle barrels is a mission item in S.T.A.L.K.E.R.: Clear Sky.
The flash drive contains upgrade data for a SVDm2/SVUmk2 and can be delivered to Uncle Yar in the Freedom base at the Dark Valley for a reward of 3750 RU, after which he will be able to apply the upgrade to the player's weapons.