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are these post war 20mm Oerlikon projectiles

earni74

Well-Known Member
Premium Member
All three projectile are stamped on the projectile 111 the green one looks like a re-paint, thanks
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earni74
These look like Oerlikon projectiles to me but here are my dimensions to distinguish between Hispano and Oerlikon. (My unofficial differences).
Oerlikon projectiles are 18.8mm base diameter. Drive band is 4mm wide.
Hispano projectiles are 19.5mm base diameter. Drive band is 5mm wide.
 
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