Ron, What appears to be a cross bolt safety at the front of the frame where the take down pin would normally be is an immovable pin. I believe it is used to secure the barrel in the receiver besides being screwed in if it is. When I say immovable, I mean immovable by normal finger pressure. I'm sure it could be drifted out with force. Ron & John, The entire pistol is steel consisting of three main parts except for the movable parts; the barrel, the receiver and the grip frame. John, I'm not sure what you might be looking at when you say you observe two screws holding the top on. Everything on the pistol (frame) appears to be pins and no screws. Here's hoping I've added additional useful info and I'll sit back and observe for a bit. Let me know if you may want to speak to the owner personally and if he's receptive, I'll provide his phone number. Best regards.
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