The .297/250 Rook / 6.4x21mmR is an obsolete centerfire rifle cartridge developed by Holland & Holland.
Overview The .297/250 Rook is a bottlenecked rimmed cartridge originally designed for use in rook rifles for hunting small game and target shooting.Barnes.
This cartridge was introduced by Holland & Holland some time before 1880 by blowing out the neck of the .297/230 Morris Long to .Imperial War Museums, ".297/250 Rook". This cartridge is a contemporary of the .255 Jeffery Rook and upon their release the pair competed heavily with the very popular .300 Rook.Imperial War Museums, ".300 Rook".
As with other rook rifle cartridges, the .297/250 Rook was superseded by the .22 Long Rifle.Cartridgecollector.
Dimensions
See also Rook rifle List of rifle cartridges List of rimmed cartridges 6 mm rifle cartridges
References
Footnotes
Bibliography Barnes, Frank C., Cartridges of the World, 15th ed, Iola: Gun Digest Books, 2016, . Cartridgecollector, ".300 Rook target", cartridgecollector.net, retrieved 22 April 2017. Imperial War Museums, "6.35 x 20.5R : Kynoch; .297/.250 Rook Rifle", iwm.org.uk, retrieved 22 April 2017. Imperial War Museums, "7.62 x 29.5R : Kynoch; .300 Rook Rifle & .295 Rook Rifle", iwm.org.uk, retrieved 22 April 2017. Sharp, Henry, Modern sporting gunnery: A manual of practical information for shooters of today, London: Simpkin, Marshall, Hamilton, Kent & Co. Ltd, 1906.
External links Ammo-One, ".297/250 Rook", ammo-one.com , retrieved 22 April 2017. Cartridgecollector, "297/250 Rook Rifle", cartridgecollector.net, retrieved 22 April 2017.