.255 Jeffery Rook
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The.255 Jeffery Rook / 6.5x29mmR, also known as the.255 Jeffery Rook Rifle, is an obsolete small bore intermediate firearm cartridge.
255 Jeffery Rook cartridge horizontal
255Jeffery Rook
6 mm caliber
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This is a list of firearm cartridges which have bullets of a caliber between 6 millimetres and 6.99 millimetres.
.255 Jeffery Rook
…List of rimmed cartridges 6 mm rifle cartridges Cartridgecollector, ".255 Jeffery Rook", cartridgecollector.net, retrieved 18 April 2017…
Example of a 6 mm cartridge, a .25 ACP