10.15 X 61R La. No.4

The 10.15 x 61R La. No. 4 is the sporting version of the 10.15 Jarmann military cartridge and was listed as such in the 1939 GECO catalogue. There are slight differences in the case dimensions but these two cartridges are interchangeable (Dixon Ref. SC16)

    RWS manufacture

    Widforss was a Swedish gunmaker from Stockholm