A military small & medium caliber ammunition collection

30 x 173mm GAU-8/A United States

30 x 173mm GAU-8/A Inert  United States (white ink) 28107310-Y USE86E017-015 profile view.30 x 173mm GAU-8/A Inert  United States (white ink) 28107310-Y USE86E017-015 head view.

Details

TypeInert
Projectilesteel, aluminum windscreen, blue, purple tip, 1 nylon driving band Projectile Markings: (white ink) MHR86J059-158
Casealuminum, olive drab, purple band anodized
Primernone
Headstamp(white ink) 28107310-Y USE86E017-015
NotesThis appears to be some sort of equipment test cartridge based on the purple paint on the case and projectile tip.