A military small & medium caliber ammunition collection

.22 Dardick Tround MG United States

.22 Dardick Tround MG Ball  United States U . profile view..22 Dardick Tround MG Ball  United States U . head view.

Details

TypeBall
ProjectileFMJ, GM
Caseplastic, light green
Primerpercussion, flat, brass, battery cup crimp
HeadstampU .
NotesBrass primer holder. Cases were linked with clear plastic tape. The rate of fire for the gun was too high for a reciprocating firing pin. The groove in the case head allowed a fixed firing pin to fire the round as it passed through the action.