Help with cartridge ID, please


#1

Need some help with a cartridge acquired a while back. Here are the particulars: Bullet - .310", neck- .344", base-.473" rim- .471", shoulder - .430" OAL - 3.183 Bullet is steel jacketed RN Headstamped at 12 and 6 o’clock respecively DM and K at 9 and 3 o’clock 18 and 98. Anybody?


#2

I’d say 8 x 57 mm Mauser J ( .318" bullet) made by Deutsche Metall Patronenfabrik ( DM) of Karlsruhe ( K) in 1898 .


#3

What is the case length?
Could be a 7.65x53 Mauser.


#4

Yes, case length is important here. It’s 2.114"


#5

Having that case lenght I agree with Orange, 7.65 x 53 mm Mauser