[stumpstalker]

The gun does appear in The Rifleman, season one, the 4th episode, entitled, “The Marshall”.

I have tried, without success, to copy a frame from the video which does indicate the recessed hinge pin and absence of a top lever.
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The best part is seeing how competently Micah Torrance (Paul Fix) handles the gun, loading it with slugs and explaining to Mark McCain (Johnny Crawford) why he has chosen slugs over buckshot: “Shotgun slugs, boy. Carry three times as far as buckshot. They came in handy once; maybe they will again”.

I can't imagine Daniel Craig being filmed so hands-on with his Walther PPK. The cameraman I think would have to cut-away for a few moments, or let a stand-in do the loading.