I got the upper off and soaked it. I'm happy to report i was able to free it up and get the toggles up to see into the chamber which was empty. I was gunked up, didn't look like rust more like hardened grease. I couldn't get the toggle pin out though to get the rest of the upper apart to clean. should i soak it again and hope that loosens up too? I didn't want to be banging on it with a screwdriver. So far every part i was able to views numbers matched. thanks again for all your help. I have field stripped quite a bit of guns in the past but never one of these.
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