Help with I.D. of a .42 cal. cartridge

I have had this cartridge for about a year now and despite my best efforts I cannot seem to I.D. it. Maybe you guys can help me?

Unknown.42.1
Bullet Dia. = .423" / 10.74mm
Case mouth = .429" / 10.91mm
Head = .429" / 10.91mm
Rim = .503" / 12.77mm
C.L. = 1.077" / 27.36mm
OAL = 1.645" / 41.78mm
any help would be very much appreciated.
Thanks
Zac

Hi Zac,

It is a German 10.4 x 27 R Stoff Cattle Killer cartridge by RWS. This dummy came in salesman sample sets.

Regards,

Fede

1 Like

Thanks Fede, Somehow I had a feeling it would be you that would know the answer.
Zac