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A military small & medium caliber ammunition collection

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20 x 102mm United States

20 x 102mm Dummy United States profile view.20 x 102mm Dummy United States head view.

Details

TypeDummy
Projectilesteel, aluminum windscreen, black, 1 copper driving band Projectile Markings: (white ink) 20MM DUMMY EXPERIMENTAL LC-4-1 Driving Band Markings: * HVM-20-63 54 20MM T283E1 *
Casebrass, knurled choke crimp, 1 smooth cannelure
Primerelectric, flat, brass, ring crimp
Headstamp[none]
NotesIt is reported that the groove near the head is to distinguish this dummy from live rounds, and that it was used for feeder tests in the Lockheed F104 Starfighter.