280 ROSS (RIMLESS)

Semi-rimmed cartridge introduced in 1906 by Sir Charles Ross for his bolt action sporting rifles. It was a very popular cartridge and was the basis that Hermann Gehrlich used for the development of the 280 HALGER. Huntingdon Die Services, USA Ross Rifle Co. Canada...

275 RIGBY

Proprietary loadings of the 7x57 Mauser     This is the box for the KYNOCH  7 M.M cartridge OPM South Africa Cases by Horneber in Germany for Pieter Becker, the South African agent for Horneber                ...

320/230 ROOK .8″

   Probably formed by necking down the .320 Long case, but little other information available on this cartridge. There is a link to a 320/230 Target Pistol on Gunboards.com. The gun was estimated to have been manufactured between 1870-80 and might have been...

297/230 MORRIS SHORT

The 297/230 Morris Short dates from the mid 1880's and was developed as a sub caliber training cartridge in auxiliary barrels used in the 577/450 Martini Henry. It was also later adapted for use in the 303 Lee-Enfield/Metford rifles as well as in revolvers. It...