.500/.450 Berdan (Witworth) 2.3/4" case, .500/.450 N° 1 Express 2.3/4", .500/.450 N° 1 Express 2.75", .500/.450 N° 1 Fraser Express, 11,4 x 70 R No 1 Express, 11,6 x 70,5 R Westley Richards Expres