1. Start a conflict game, play as Soviets.
2. Spawn at HQ.
3. Walk to weapon racks.
4. Pick up (Sling) an SVD.
5. Select binoculars
6. Switch to optics (RMB).
7. press 2 to switch weapons to SVD.
8. Fire. notice no firing sound.
9. If rifle sights are blank, just lower then raise optics to fix.
10. switch weapon back to AK74.
11. switch weapon back to SVD.
12. Fire, notice firing sounds have returned.