.454 Casull

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.454 Casull Gun Stats

.454 Casull

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Developed by Dick Casull, Duane Marsh, and Jack Fullmer in 1958, 454 Casull Ammo is a powerful wildcat firearm cartridge. The design of this ammo is based on the .45 Colt case, so both .45 Schofield and .45 Colt cartridges can fit well in 454 Casull’s chamber. Because of the high chamber pressure of over 60,000 CUP, this cartridge uses a small rifle primer instead of pistol primer. 454 Casull Ammo comes in a .45 colt case that is about 0.10 inches in length. Bullet weight is around 240 to 300 grains and delivers a muzzle velocity of 1900 feet per second. These rounds can be loaded to a maximum of 65,000 psi pressure and the pressure when fired will be over 60,000 CUP. 454 Casull Specification: Cartridge case: .45 Colt Case type: Rimmed straight Bullet diameter: 11.5 mm (.452 in) Neck diameter: 12.2 mm (480 in) Base diameter: 12.2 mm (.480 in) Rim diameter: 13.0 mm (.512 in) Rim thickness: 1.4 mm (.057 in) Case length: 35.1 mm (1.383 in) Overall length: 45 mm (1.77 in) Case capacity: 2.95 cm3 Primer type: Boxer Small rifle Maximum pressure (SAAMI): 65,000 psi (450 MPa) The 454 Casull is a hard-hitting handgun cartridge perfect for hunting dangerous animals. It is produced by several manufacturers and is available in different types including full metal jacket (FMJ), hollow point, jacketed hollow point (JHP), soft point, and semi-jacketed hollow point (SJSP). The 454 Casull is powerful and is loaded with a lot of powder to make the bullet travel at a supersonic speed. Recoil is stronger than similar ammos.

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.454 Casull Specs

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The .454 Casull was developed in 1958 as a wildcat cartridge by Dick Casull, Duane Marsh, and Jack Fullmer. The first production firearm was introduced in 1983 by Freedom Arms and became commercialized in 1997 when SAAMI released their standards for the cartridge. 

.454 Casull History


.454 Casull Usage

The .454 Casull is one of the most commonly used cartridges for bear protection. It is also used for handgun hunting medium and large game and metallic silhouette shooting. Custom gunsmiths modify lever action rifles and carbines chambered in .454 Casull for Bush Pilots for use as survival firearms in remote areas.

The .454 Casull was originally developed using triplex loads which gave progressive burning as the bullet traveled down the barrel. It has 5 times the recoil energy of the .45 Colt and 75% more recoil energy than the .44 magnum. Revolvers chambered in .454 Casull may also shoot .45 Colt and .45 Schofield cartridges.

.454 Casull Trivia


.454 Casull Design

The .454 Casull is a rimmed, straight walled cartridge with an overall length of 1.77” and a case capacity of 45.5 grains (H2O). It fires a .452” diameter bullet and uses small rifle primers with a maximum pressure of 65,000 PSI.

The ammunition options for the .454 Casull range from cast lead, full metal jacket, hollow point, soft point, and hard cast with weights ranging from 240 to 400 grains depending on intended use and needs.  The .454 Casull can generate 2000 pounds of energy at the muzzle.

.454 Casull Types


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