A military small & medium caliber ammunition collection

5.77/4.32 x 52mm United States

5.77/4.32 x 52mm Ball  United States IVI 6 9 profile view.5.77/4.32 x 52mm Ball  United States IVI 6 9 head view.

Details

TypeBall
ProjectileSabot, plastic, GMCS subprojectile
Casebrass
Primerpiston, flat, steel
HeadstampIVI 6 9
NotesThis is an experimental round made from a shortened 5.77mm XM645 case. it is from a Frankford Arsenal primer test project to determine an optimum charge weight for a small-volume case.