Bofors 57mm APFSDS ammunition

[armen]

As stated in the title, im looking for the mythical Bofors 57mm APFSDS ammo.
it has eluded my grasp for far too long and i now resort to asking of the knowledge of the library of secret projects!!

 

[armen]

https://www.scribd.com/doc/267210898/57-mm-APFSDS-2-000-m

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And from an un named PDF of a supposed British ammunition study