At the end of the Second World War, Australia found itself with large stockpiles of 303 service rifles. From 1948 onwards, restrictions were placed on jacketed ammunition by the government and that had the effect that various individuals started wildcatting the .303...

From a cartridge discussion forum - Between 1948 and 1975 restrictions were placed on private citizens in N.S.W. from owning military rifles unless they were landowners or members of a military rifle club. In the early 1960's, to get around this it was Jack Pollard, a...

The 308 Myra is an Australian design and was originally developed in the late 1950's by Australian gunsmith Arthur Langsford from Melbourne, who named the company after his wife Myra. It is based on the 222 Remington case necked up to 30 cal.   

The 250 Myra is an Australian design and was originally developed in the late 1950's by Australian gunsmith Arthur Langsford from Melbourne, who named the company after his wife Myra. Like the 243 MYRA it is also based on the 222 Remington case.   

   This is the rimmed version of the Australian designed 243 Myra that was originally developed by Australian gunsmith Arthur Langsford from, who named the company after his wife Myra. It was based on the 222 Remington Rimmed, another Australian development,...

   The 243 Myra is an Australian design and was originally developed in 1958 by Australian gunsmith Arthur Langsford from Melbourne, who named the company after his wife Myra. It is based on the 222 Remington case necked up to 6mm.

Listed in the ECRA database as one of the MYRA developments.   

The .222 Rimmed was developed using the original .222 Remington case as a basis to provide a suitable cartridge alternative for the huge number of surplus .310 Martini Cadet rifles available in Australia in the 1950s. The Super Cartridge Co (Maribyrnong, Melbourne,...