I agree with the rest, this is an animated, 3d representation of concept designs. the lighting is slightly wrong.
note that the way the light hits both cylinders and the bayonet all comes from different directions while black surfaces all absorb light rather than reflect as metal would. very well done and interesting concepts to be sure but nothing that exists in real life i'm afraid.
ignore my complete lack of capitalization. I still have no problem correcting your grammar.
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