7.92x57 P491


#1

According to Municion.org, “C” stands for being copperplated by Vereinigte Deutsche Nickelwerke A.G. in Schwerte/Ruhr (Westfalia). Mine seems to be lacquered steel. Who is right? Also, what’s the meaning of “1” after “C”?
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#2

The meaning of “1” after “C”? is
steel analysis number.
1 = C; 0,15-0.22%, Mn; 0,4%, Si;0,12%, P;0,03%, S;0,03%


#3

The code © is from the factory that made the cup for the case out of the steel plates.

Known steel analyses are ; 1,2,3,4,6,8,9,10,11,12,15 and 17

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