[druid]

ooglie...the stock adjuster on a sonix is just a screw...not a knob like on the Imagine..
mrmafia---take the breech plate off the back of the marker. take the velocity adjuster screw out of it and look to see which is (or if both are) stripped. When you reassemble the marker, the spring goes inside the back of the striker, the rubber bumper over the back of the spring, the spring guide goes in the back of the spring and the flat disc (if you had it) behind that. so...
STRIKER <--SPRING <--RECOIL BUFFER <--SPRING GUIDE <--DISC <-PLATE