Does anyone know where I can find the 2 hole cover for USO Erek knobs. I picked one up second hand and it didn’t have it and USO said they don’t make them anymore. Is it critical to use it? (Scope is a st-10
If so, shoot me a PM with your address and I'll send it your way. I used to have a few USOs (foolishly sold them, the old ERGO models are amazing!) and found it in my parts bin a little while back. It's yours if you want it.