The .300 Rook / 7.6x30mmR, also known as the .295 Rook (by Holland & Holland only), is an obsolete intermediate centerfire rifle cartridge.
Overview The .300 Rook is a rimmed cartridge originally designed for use in rook rifles for hunting small game and target shooting.
It was loaded with an solid lead bullet driven by of black powder at a standard muzzle velocity of . A variant, the short lived .300 Rook target, was loaded with a heavier bullet as it was felt the original loading was too light for distance target shooting, as wind had an effect on the trajectory as well as bullet drop over longer distances.Imperial War Museums.
History The origins of the .300 Rook are uncertain although it was introduced before 1874, it became one of the most popular British rook cartridges, also being chambered in several revolvers.Imperial War Museums. In later years its popularity was eroded by the .255 Jeffery Rook and to Holland & Holland's .297/250 Rook.
The .300 Rook cartridge case was lengthened to create the .300 Sherwood,Wieland. which in turn superseded the .300 Rook target variant.Cartridgecollector. As with other rook rifle cartridges, the .300 Rook was superseded by the .22 Long Rifle.
See also Rook rifle List of rifle cartridges List of rimmed cartridges 7 mm rifle cartridges
References
Footnotes
Bibliography Barnes, Frank C., Cartridges of the World, 15th ed, Gun Digest Books, Iola, 2016, . Cartridgecollector, ".300 Rook target", cartridgecollector.net, retrieved 20 April 2017. Imperial War Museums, "7.62 x 29.5R : Kynoch; .300 Rook Rifle & .295 Rook Rifle", iwm.org.uk, retrieved 20 April 2017. Municon, ".295 Rook", municion.org , retrieved 20 April 2017. Wieland, Terry, "In praise of Rook Rifles", huntforever.org , retrieved 20 April 2017.
External links Ammo-One, "300 (295) Rook", ammo-one.com, retrieved 20 April 2017. Cartridgecollector, "300 Rook (295) 1.16 inch", cartridgecollector.net, retrieved 20 April 2017.