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.297/250 Rook

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.297/250 Rook
TypeRifle
Place of originUnited Kingdom
Production history
DesignerHolland & Holland
DesignedPre-1880
Specifications
Parent case.297/230 Morris
Case typeRimmed, bottleneck
Bullet diameter.250 in (6.4 mm)
Neck diameter.267 in (6.8 mm)
Shoulder diameter.294 in (7.5 mm)
Base diameter.295 in (7.5 mm)
Rim diameter.343 in (8.7 mm)
Case length.83 in (21 mm)
Overall length1.1 in (28 mm)
Primer typeKynoch # 69
Ballistic performance
Bullet mass/type Velocity Energy
56 gr (4 g) 1,100 ft/s (340 m/s) 150 ft⋅lbf (200 J)
Source(s): Cartridges of the World,[1] & Modern sporting gunnery.[2]

The .297/250 Rook 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.[1]

This cartridge was introduced by Holland & Holland some time before 1880 by blowing out the neck of the .297/230 Morris Long to .250 in (6.4 mm).[3] This cartridge is a contemporary of the .255 Jeffery Rook and upon their release the pair competed heavily with the very popular .300 Rook.[4]

As with other rook rifle cartridges, the .297/250 Rook was superseded by the .22 Long Rifle.[5]

Eley's .297/250 Rook rifle cartridge.

Dimensions

See also

References

Footnotes

  1. ^ a b Barnes.
  2. ^ Sharp.
  3. ^ Imperial War Museums, ".297/250 Rook".
  4. ^ Imperial War Museums, ".300 Rook".
  5. ^ Cartridgecollector.

Bibliography

  • Barnes, Frank C., Cartridges of the World, 15th ed, Iola: Gun Digest Books, 2016, ISBN 978-1-4402-4642-5.
  • 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.