275 №.2 MAGNUM (7MM RIGBY FLANGED MAG) - Cartridge Collector

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275 №.2 MAGNUM (7MM RIGBY FLANGED MAG)

Developed by Rigby ca 1927 by necking down the 375 2¼” Flanged. This cartridge is similiar to the 7mm Holland Flanged Magnum, but with thicker rim.