You are right, they are 7,92x57 Mauser.
P163 is for the manufacturer (Metallwarenfabrik Treuenbritzen GmbH, Werk Selterhof), S* is the material code for brass alloy with 72% copper, 16 is the lot number and 37 (1937) is the year of manufacture.
thanks for information!!
Similar Threads
Bookmarks