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.224 Weatherby Magnum
Type Rifle
Place of origin USA
Production history
Designer Roy Weatherby
Designed 1963
Specifications
Parent case None, proprietary
Bullet diameter .224 in (Bad rounding hereScript error mm)
Neck diameter .252 in (Bad rounding hereScript error mm)
Shoulder diameter .394 in (Bad rounding hereScript error mm)
Base diameter .415 in (Bad rounding hereScript error mm)
Rim diameter .430 in (Bad rounding hereScript error mm)
Case length 1.923 in (Bad rounding hereScript error mm)
Overall length 2.330 in (Bad rounding hereScript error mm)
Rifling twist 1-12"
Primer type Large rifle
Ballistic performance
Bullet weight/type Velocity Energy
45 gr (Bad rounding hereScript error g) SP3,457 ft/s (Bad rounding hereScript error m/s)1,194 ft·lbf (Bad rounding hereScript error J)
50 gr (Bad rounding hereScript error g) SP3,415 ft/s (Bad rounding hereScript error m/s)1,295 ft·lbf (Bad rounding hereScript error J)
55 gr (Bad rounding hereScript error g) SP3,242 ft/s (Bad rounding hereScript error m/s)1,284 ft·lbf (Bad rounding hereScript error J)
60 gr (Bad rounding hereScript error g) SP2,958 ft/s (Bad rounding hereScript error m/s)1,166 ft·lbf (Bad rounding hereScript error J)
Test barrel length: 24"
Source(s): Hodgdon [1]
File:224-Weatherby-Magnum-scheme.svg

The .224 Weatherby Magnum is a sporting cartridge that was developed in 1963 by Roy Weatherby after about 10 years of development.[2] It is a proprietary cartridge with no major firearms manufacturers chambering rifles for it other than Weatherby. It was originally called the .224 Weatherby Varmintmaster when it was introduced alongside the Weatherby Varmintmaster rifle, but the rifle was discontinued in 1994 and the cartridge was renamed.

Design Edit

The cartridge design began years earlier but its introduction was delayed, at least in part, because of the unavailability of a suitable action. An earlier high-velocity .22 caliber round from Weatherby called the .220 Weatherby Rocket was based on the .220 Swift though it was unsuccessful and never manufactured.[3]

Performance Edit

Performance is similar to the popular .22-250 and the lesser used .225 Winchester putting it in between the .220 Swift and .223 Remington cartridges. Possibly because of the similar performance and popularity of the .22-250, this round has never gotten a very large following. Costs for ammunition and rifles for this round also tend to be much more expensive.

Performance for 55 grain bullet (BC of 0.235)
Muzzle 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
Trajectory - 2.8 3.7 0 -9.8 -27.9
Energy (ft·lbf) 1627 1244 944 705 516 370
Velocity ([[Feet per secon

d|ft/s]])

3650 3192 2780 2403 2056 1741

Sporting Use Edit

.22 caliber rifles are legal in some areas for big game up to the size of deer or larger. Convention holds the .224 Weatherby and similar cartridges are better suited to long-range varminting.[4] Similar statements are made concerning other "big" 22 caliber cartridges like the 220 Swift and .223 WSSM.

Currently many states in the United States do allow 22 caliber rifles on big game, but the majority require a minimum of 6mm.[5] Well known firearms author P.O. Ackley believed that fast 22 caliber cartridges were suitable for medium-large game.[6] Craig Boddington has said that such cartridges are suitable for smaller deer.[5] Bullets suited for hunting big-game are available from major manufacturers such as Nosler and Barnes.[7]

See alsoEdit

ReferencesEdit

  1. Hodgdon Online Reloading Data
  2. .224 Weatherby at the Reload Bench
  3. Cartridges of the World 8th Edition, Book by Frank C. Barnes, DBI Books, 1997, ISBN 0-87349-178-5 p. 23
  4. .224 Weatherby at Norma
  5. 5.0 5.1 Script error
  6. Handbook for Shooters & Reloaders vol II, Book by P.O. Ackley; Plaza Publishing, 1966, ASIN B000BGII48
  7. Script error

External linksEdit

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