A military small & medium caliber ammunition collection

20 x 102mm United States

20 x 102mm New Unprimed Empty MK 149 MOD 4 United States  profile view.20 x 102mm New Unprimed Empty MK 149 MOD 4 United States  head view.

Details

TypeNew Unprimed Empty, MK 149 MOD 4
Projectile[none]
Casebrass Markings: (laser etched) 20 MM DS MARK 149 MOD 4 OLM10H001-002 NOT FOR FORWARD FIRING AIRCRAFT ADL-6264393F (black ink) 20MM M103 ACN 10E017-004
Primer(none)
Headstamp[none]
NotesThe load information is laser etched on the case, as opposed to the more traditional ink stamping.