Load data for caliber ".45 Win. Mag."The .45 Winchester Magnum is a centerfire handgun cartridge that was developed by Winchester in the early 1970s. It is based on the .45 Colt cartridge, but is loaded to much higher pressures and velocities, making it a much more powerful cartridge.
The .45 Win Mag has a bullet diameter of .452 inches (11.5 mm) and a case length of 1.222 inches (31.0 mm). It is typically loaded with bullets weighing between 225 and 260 grains (14.6 to 16.8 g), and has a typical muzzle velocity of around 1,300 to 1,600 feet per second (400 to 490 m/s) and a muzzle energy of around 1,000 to 1,200 foot-pounds (1,360 to 1,630 J).
The .45 Win Mag is primarily used for hunting, particularly for larger game such as deer and bear. It is also used for self-defense and some competitive shooting events. However, the cartridge has not achieved the same level of popularity as some other handgun cartridges, and ammunition can be more difficult to find than for more established cartridges such as the .45 ACP or 9mm.
You find .45 Win. Mag. 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:||.45 Win. Mag.|
|Bullet Diameter:||0.451 '' | 11.46 mm|
|Primer Size:||Small Pistol Magnum (SPM)|
|Max. Case Length (l3):||1.2'' | 30.43 mm|
|Max .Cartridge Length / OAL:||1.58'' | 40 mm|
|Maximum Standardized Pressure:||39886 psi | 2750 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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