2nd Variant ARGENTINE Mauser DGFM FMAP MOD 1909/47 ... Argentine MAUSER D.G.F.M. F.M.A.P. "Gendarmeria Nacional" in Original correct military configuration; only 405-505 made from 1949 to 1959. G.N. on the receiver ring. They were manufactured in Santa Fe Argentina with German machinery. I am not sure how many where imported to USA out of the 400-500. 7.65 x 53mm Argentine.