|“|| Fine-tuning and manual modification of the reloading mechanism.|
- Ingame item description.
The Flash drive with data on pump mechanisms for shotguns is a mission item in S.T.A.L.K.E.R.: Clear Sky.
The flash drive contains upgrade data for a Chaser 13 shotgun and can be delivered to Van in the Loner base in Cordon for a reward of 750 RU, after which he will be able to apply the upgrade to the player's weapons.