I've seen pictures of Para's power extractor and know what you mean - it's a monster!. But even though its claw is taller, I think a loaded round will still be shaken loose if the case rim opposite the extractor moves forward and off of the left hand breechface guide block. And after a little experimenting, shaking the slide vigorously in its horizontal or vertical planes won't get the round to drop out. But shaking in between - so the bullet heads in the direction of the open ejection port - does make the round drop free.
That's why I'm not too fond of the shake test. The tension assessment depends not only on how hard the slide is shaken but which direction it's shaken. Even the sights come into play. My wadcutter gun has high, sharp-edged front and rear sights which make it quite uncomfortable to grip tightly with a bare hand for a vigorous shake.
Wish I knew somebody with a SW1911 for a look-see.
Thanks for the input.
Cheers
When you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind. [Lord Kelvin]
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