"Furthermore I took the opportunity last week to buy an old Mauser that had been converted to the old flanged 375 calibre (more common in doubles) and it will become a 300 H&H magnum"
@paladin100 just wondering if that is one of the original actions made for rigbys by mauser for the rimmed 400/350 rigby round? most were converted to 9.3x74r as the one i had built for finn was. mauser didnt make that many of them as far as i know.
"In 1899, Rigby asked the engineers in the Mauser Sporting Arms Department to make a special action that would handle their popular rimmed .400/350 cartridge. When completed c.1900 it was the ‘birth’ of the magnum action which, in turn, provided the ideal platform for dangerous game cartridges like the .375 H&H, .416 Rigby and the .505 Gibbs."