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20 x 139mm HS820 France

20 x 139mm HS820 Dummy France 20MM 820 A AA 29 70 MR (on primer assembly) DN 12 70 profile view.20 x 139mm HS820 Dummy France 20MM 820 A AA 29 70 MR (on primer assembly) DN 12 70 head view.

Details

TypeDummy
Projectilesteel, white, 1 iron driving band Projectile Markings: (stamped) 2-693 1-ATE-71
Casesteel, segmented crimp, grey lacquered, 2 holes
Primerpercussion, flat, copper, screw-in crimp, red annulus
Headstamp20MM 820 A AA 29 70 MR (on primer assembly) DN 12 70
NotesProjectile is slightly shorter than typical for these rounds.