.450 Bushmaster

Reloading data for .450 Bushmaster cartridges and specifications for cases and loads in this caliber.
Product number: CID_759
Load data for caliber ".450 Bushmaster"
The .450 Bushmaster is a centerfire rifle cartridge developed by Tim LeGendre of LeMag Firearms, LLC in 2007. It was designed to provide a powerful and accurate cartridge for hunting big game at relatively short ranges.

The .450 Bushmaster cartridge has a bullet diameter of .452 inches (11.5 mm) and a case length of 1.7 inches (43 mm). It is typically loaded with bullets weighing between 250 and 300 grains (16.2 to 19.4 g), and has a typical muzzle velocity of around 2,200 to 2,800 feet per second (670 to 850 m/s) and a muzzle energy of around 2,800 to 3,900 foot-pounds (3,800 to 5,300 J).

The .450 Bushmaster cartridge is primarily used for hunting, particularly for larger game such as deer, bear, and feral hogs. It is also used for tactical and law enforcement applications, as well as some competitive shooting events. The cartridge is well-suited for use in AR-style rifles, and has gained some popularity among hunters and shooters who prefer the AR platform.

Overall, the .450 Bushmaster is a powerful and versatile cartridge that is well-suited for hunting and other applications where a high level of stopping power is desired. It has gained a following among hunters and shooters who appreciate its accuracy, versatility, and compatibility with the AR platform.

You find .450 Bushmaster with all common powders and bullets by clicking the 'Loads in this caliber' button above.

Technical Specifications (based on the respective safety standard - see more details in tab 'Datasheet' if available)

Caliber: .450 Bushmaster
Cartridge Type: Rimless
Bullet Diameter: 0.451 '' | 11.46 mm
Primer Size: Large Rifle (LR)
Max. Case Length (l3):1.7'' | 43.18 mm
Max .Cartridge Length / OAL:2.26'' | 57.4 mm
Maximum Standardized Pressure:39160.8 psi | 2700 bar
The Commission internationale permanente pour l'épreuve des armes à feu portatives ("Permanent International Commission for the Proof of Small Arms" – commonly abbreviated as C.I.P.) is an international organisation which sets standards for safety testing of firearms. (The word portatives ("portable") in the name refers to the fact the C.I.P. tests small arms almost exclusively; it is ordinarily omitted from the English translation of the name.) As of 2015, its members are the national governments of 14 countries, of which 11 are European Union member states. The C.I.P. safeguards that all firearms and ammunition sold to civilian purchasers in member states are safe for the users.
To achieve this, all such firearms are first proof tested at C.I.P. accredited Proof Houses. The same applies for cartridges; at regular intervals, cartridges are tested against the C.I.P. pressure specifications at the ammunition manufacturing plants and at C.I.P. accredited Proof Houses.

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