The westmost workbench icon sits on a fork in the road. There is a building with a zipline on it and a cross at its top. The Rifle Workbench can be found in this building. Head into the building at ground level and pick the lock of the wooden door. Head into the basement to access the workbench.

In Sniper Elite: Resistance, Harry Hawker starts off with the titular weapon, but it is relatively ineffective for stealth. That's because there isn't a sniper suppressor on it. That was poor planning on Hawker's part; we thought he was a professional. Here's where to find the first variety of this attachment in Sniper Elite: Resistance.