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A military small & medium caliber ammunition collection

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5.56 x 45mm United States

5.56 x 45mm Dummy United States UCD 20 profile view.5.56 x 45mm Dummy United States UCD 20 head view.

Details

TypeDummy
Projectilealuminum
Casealuminum, grey coated, 6 flutes
Primerblind
HeadstampUCD 20
NotesLot inspection number 130 written on case. Round is coated with what appears to be a grey polymer.