The .220 Rook / 5.7x18mmR, also known as the .220 Long Centrefire, is an obsolete British
centerfire
Two rounds of .357 Magnum, a centerfire cartridge; notice the circular primer in the center
A center-fire (or centerfire) is a type of metallic cartridge used in firearms, where the primer is located at the center of the base of its casing (i. ...
rifle
cartridge.
Overview
The .220 Rook is a
rimmed
A rim is an external flange that is machined, cast, molded, stamped, or pressed around the bottom of a firearms cartridge. Thus, rimmed cartridges are sometimes called "flanged" cartridges. Almost all cartridges feature an extractor or headspaci ...
cartridge originally designed for use in
rook rifle
The rook rifle, originally called the rook and rabbit rifle, is an obsolete English single-shot small calibre rifle intended for shooting small game, particularly rook shooting.
Design
The rook rifle was designed to be light enough to be carried ...
s. It was designed and produced in Britain in the 1880s. It is believed to be an early centrefire version of the
.22 Long Rifle rimfire cartridge.
[
The .220 Rook fired a bullet of weight driven by of ]black powder
Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, charcoal (which is mostly carbon), and potassium nitrate, potassium ni ...
, it was designed for hunting small game and target shooting, although many considered it too small for practical hunting purposes.[
]
See also
*List of rifle cartridges
List of rifle cartridges, by primer type, Caliber, calibre and name.
File:Cartridge Sample 2.jpg, 350px, From left to right: 1 .17 Hornady Mach 2, 2 .17 Hornady Magnum Rimfire, 3 .22 Long Rifle, 4 .22 Winchester Magnum Rimfire, 5 .17/23 SMc, 6 5mm ...
*List of rimmed cartridges
Below is a list of rimmed cartridges (R). Although similar, rimmed cartridges differ from rimfire cartridges (list). A rimmed cartridge is a cartridge with a rim, whose primer is located in the center of the case head; the primer is detonated by ...
* 5 mm rifle cartridges
References
Pistol and rifle cartridges
Rimmed cartridges
Dual-purpose handgun/rifle cartridges
British firearm cartridges
Rook rifle cartridges
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