Question commonly asked about unfamiliar shooter's weapon? (3)

I believe the answer is:

uzi

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'weapon?' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

(Other definitions for uzi that I've seen before include "Israeli-designed sub-machine gun" , "killer" , "Submachine-gun" , "kind of weapon" , "Israeli sub-machine gun" .)

I've seen this clue in The Telegraph.

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