The Hensoldt 6x42 PSG1 is a German optical sight that comes by default with the Heckler & Koch PSG1.
Hensoldt ZF 6x42 PSG1
Abilities
Common Attributes - Mechanical
Medium-Range Sight
EFFECT:
This weapon gains an Easy DM to its hit rolls from Average Range (AR) to Medium Range (MR).
This bonus does not stack with additional Medium-Range Sights.