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.454 Casull
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A .454 Casull full metal jacket round.
Type Handgun
Place of origin United States
Production history
Designer Dick Casull, Jack Fullmer
Designed 1957
Specifications
Parent case .45 Colt
Case type Rimmed straight
Bullet diameter .452 in (Bad rounding hereScript error mm)
Neck diameter .480 in (Bad rounding hereScript error mm)
Base diameter .480 in (Bad rounding hereScript error mm)
Rim diameter .512 in (Bad rounding hereScript error mm)
Rim thickness .057 in (Bad rounding hereScript error mm)
Case length 1.383 in (Bad rounding hereScript error mm)
Overall length 1.77 in (Bad rounding hereScript error mm)
Primer type Boxer Small rifle
Ballistic performance
Bullet weight/type Velocity Energy
240 gr (Bad rounding hereScript error g) XTP JHP1,900 ft/s (Bad rounding hereScript error m/s)1,923 ft·lbf (Bad rounding hereScript error J)
300 gr (Bad rounding hereScript error g) XTP JHP1,650 ft/s (Bad rounding hereScript error m/s)1,814 ft·lbf (Bad rounding hereScript error J)
335 gr (Bad rounding hereScript error g) WFNGC HC1,600 ft/s (Bad rounding hereScript error m/s)1,904 ft·lbf (Bad rounding hereScript error J)
360 gr (Bad rounding hereScript error g) WFNGC HC1,500 ft/s (Bad rounding hereScript error m/s)1,800 ft·lbf (Bad rounding hereScript error J)
400 gr (Bad rounding hereScript error g) WFNGC HC1,400 ft/s (Bad rounding hereScript error m/s)1,741 ft·lbf (Bad rounding hereScript error J)
Test barrel length: 7.5 in
Source(s): Hornady [1] DoubleTap[2]

The .454 Casull (/kə'sul/) is a firearm cartridge, developed in 1957 by Dick Casull and Jack Fullmer.[3]

Ruger began chambering its Super Redhawk in this caliber in 1997 and Taurus followed with the Raging Bull model in 1998 and the Taurus Raging Judge Magnum in 2010.

HistoryEdit

It was first announced in November 1959 by Guns & Ammo magazine. The basic design was a lengthened and structurally improved .45 Colt case. .45 Schofield and .45 Colt cartridges can fit into the .454's chambers, but not the other way around because of the lengthened case (very similar to the way .38 Special cartridges can fit into the longer chambers of a .357 Magnum and .44 Special cartridges can fit into the longer chambers of a .44 Magnum).[3]

SpecificationsEdit

The new Casull round uses a small rifle primer rather than a pistol primer, because it develops extremely high chamber pressures of over 60,000 CUP (copper units of pressure) (410 MPa), and has a significantly stronger cup than a pistol primer. The .454 Casull is one of the most powerful handgun cartridges in production.[3] It can deliver a 250 grain (16 g) bullet with a muzzle velocity of over 1,900 feet per second (580 m/s), developing more than 2,000 ft-lb (2.7 kJ) of energy, although energy levels from common .454 revolvers with 7–8 inch barrels are typically somewhat lower (1,600–1,700 ft·lbf). The round is primarily intended for hunting medium game, metallic silhouette shooting and predator defense.[3]

The cartridges were originally loaded with a triplex load of propellants, which gave progressive burning, aided by the rifle primer ignition, resulting in a progressive acceleration of the bullet as it passed up the barrel.[3] The first commercially available revolver chambered in .454 Casull was made by Freedom Arms in 1983 as a five-shot revolver.[3]

Similar CartridgesEdit

The recently introduced .460 Smith and Wesson Magnum cartridge has the same diameter as a .45 Colt or .454 Casull, and therefore revolvers chambered for it will also chamber the .454 Casull, .45 Colt, and .45 Schofield.

See alsoEdit

ReferencesEdit

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  3. 3.0 3.1 3.2 3.3 3.4 3.5 Script error

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