cartrology.com

A military small & medium caliber ammunition collection

  1. Home
  2. Browse the Collection
  3. Cartridge Details

20 x 102mm United States

20 x 102mm TP M55A2 United States profile view.20 x 102mm TP M55A2 United States head view.

Details

TypeTP, M55A2
Projectilesteel, aluminum windscreen, black, 1 copper driving band Projectile Markings: (white ink) WM-84E001-005 M55A3B1 (black ink) INERT 20 MM M55 A2 Q R S T U V W X O P
Casebrass, choke crimp
Primernone
Headstamp[none]
NotesCartridge has an inert filler and a steel ball embedded in an otherwise empty primer pocket. There is no explanation for the partial alphabet stenciled on the projectile - perhaps it was a test run for the stenciling?