A military small & medium caliber ammunition collection

20 x 110mm USN United States

20 x 110mm USN Dummy  United States NECO 12-52 20MM-MK.5. MOD.0 profile view.20 x 110mm USN Dummy  United States NECO 12-52 20MM-MK.5. MOD.0 head view.

Details

TypeDummy
Projectilesteel, brown, 1 copper driving band Projectile Markings: (white ink) 20MM (DUMMY) LOT-2 FOR GUN MK 12 AER-53 (stamped on windscreen) 1211649- -2 Driving Band Markings: 20-MM MK.11-0-LOT D 18
Casesteel, choke crimp, cadmium plated
Primerinert, flat, brass, 3-stake crimp
HeadstampNECO 12-52 20MM-MK.5. MOD.0