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A military small & medium caliber ammunition collection

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5.77 x 57mm XM645 United States

5.77 x 57mm XM645 Flechette United States IVI 6 9 profile view.5.77 x 57mm XM645 Flechette United States IVI 6 9 head view.

Details

TypeFlechette
ProjectileSabot, fiberglass, steel flechette, white
Casebrass, taper crimp
Primerpercussion, flat, brass, ring crimp, red annulus
HeadstampIVI 6 9
NotesThis round has a small regular primer rather than the more typical piston primer found in this caliber. The significance, if any, of the red spot on the head is unknown.