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.460 S&W Magnum
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Left to right: .460 S&W Magnum, .454 Casull, .44 Magnum, .45 ACP, .22LR
Type Handgun
Place of origin United States
Production history
Designer Hornady / Smith & Wesson
Designed 2005
Produced 2005-present
Specifications
Parent case .454 Casull
Case type Rimmed, straight
Bullet diameter .452 in (Bad rounding hereScript error mm)
Neck diameter .478 in (Bad rounding hereScript error mm)
Base diameter .478 in (Bad rounding hereScript error mm)
Rim diameter .520 in (Bad rounding hereScript error mm)
Rim thickness .059 in (Bad rounding hereScript error mm)
Case length 1.80 in (Bad rounding hereScript error mm)
Overall length 2.290 in (Bad rounding hereScript error mm)
Primer type Large rifle magnum
Ballistic performance
Bullet weight/type Velocity Energy
200 gr (Bad rounding hereScript error g) Corbon DPX2,300 ft/s (Bad rounding hereScript error m/s)2,350 ft·lbf (Bad rounding hereScript error J)
275 gr (Bad rounding hereScript error g) Corbon DPX1,825 ft/s (Bad rounding hereScript error m/s)2,034 ft·lbf (Bad rounding hereScript error J)
300 gr (Bad rounding hereScript error g) Jacketed Flat Nose2,060 ft/s (Bad rounding hereScript error m/s)2,826 ft·lbf (Bad rounding hereScript error J)
360 gr (Bad rounding hereScript error g) Lead Long Flat Nose1,900 ft/s (Bad rounding hereScript error m/s)2,885 ft·lbf (Bad rounding hereScript error J)
395 gr (Bad rounding hereScript error g) Hard Cast1,525 ft/s (Bad rounding hereScript error m/s)2,040 ft·lbf (Bad rounding hereScript error J)
Test barrel length: 8.375 inches
Source(s): Corbon Ammo,[1] "Cartridges of the World",[2] Buffalo Bore[3]

The .460 S&W Magnum round is a powerful revolver cartridge designed for long-range handgun hunting in the Smith & Wesson Model 460 revolver.[2]

OverviewEdit

The .460 S&W round is a lengthened, more powerful version of the popular .454 Casull, itself a longer and more powerful version of the .45 Colt, which is a longer and more powerful version of the .45 Schofield. Consequently, firearms that fire .460 S&W are usually capable of firing the less powerful .454 Casull, .45 Colt and .45 Schofield rounds, but this must be verified with each firearm's manufacturer. For instance, some lever actions are designed to handle cartridges within a certain length and bullet profile range. The reverse, however, does not apply: .45 Schofield, .45 Colt and .454 Casull handguns generally cannot safely fire .460 S&W rounds—nor can they even chamber the .460 S&W because of the longer case length. The length of the .460 S&W was intended to fully utilize the overall length (2.30") of the S&W X frame cylinder thereby increasing its powder capacity.Script error[citation needed]

The .460 cartridge achieves high velocities by operating at pressures normally reserved for magnum rifle cartridges.

PerformanceEdit

Smith and Wesson boasts that the .460 S&W is the highest velocity revolver cartridge in the world, firing bullets at 2330 ft/s. With Buffalo Bore's new loading, the .460 S&W can achieve nearly 2900 ft-lb of energy by driving a 360 grain bullet at 1900 ft/s.[3] For comparison .500 S&W Magnum offers slightly more energy at the muzzle, driving a 350 grain bullet at 1975 ft/s for a total of 3031 ft-lb.[4]

See alsoEdit

ReferencesEdit

External linksEdit

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