Cartridge Collector > Cartridges > BRITISH SPORTING RIFLE > BRITISH SPORTING UP TO .299" > 280 JEFFERY RIMLESS NITRO EXPRESS (33/280)
280 JEFFERY RIMLESS NITRO EXPRESS (33/280)

Developed by WJ Jefferey & Co around 1915 and is based on the 333 Jefferey case necked down.

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