John I am not sure, my Dutch Luger never had one of them!
I have seen others (pictures) and they leave a little dot if gone, so I think you are correct.
Dutch Lugerâ??s are interesting because they were routinely (evidently from my reading the books) rebarreled and reworked by a gov't arsenal on the islands.
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Edward Tinker
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Co-Author of Police Lugers - Co-Author of Simson Lugers
Author of Veteran Bring Backs Vol I, Vol II, Vol III and Vol IV
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