.400 H.& H. Belt.Mag

Reloading data for .400 H.& H. Belt.Mag cartridges and specifications for cases and loads in this caliber.
Product number: CID_650
Load data for caliber ".400 H.& H. Belt.Mag"
The .400 H&H Belted Magnum cartridge, also known as the .400 H&H Magnum, is a rifle cartridge that was developed by Holland & Holland in the 2000s and is based on the .375 H&H Magnum case.

The .400 H&H Belted Magnum cartridge features a belted brass case with a bullet diameter of .410 inches (10.41 mm) and a case length of 2.85 inches (72.39 mm). It typically uses a 400-grain (26 g) bullet propelled by a powder charge, which gives it a muzzle velocity of around 2,700 feet per second (820 meters per second) and a muzzle energy of around 5,500 foot-pounds (7,460 joules).

The .400 H&H Belted Magnum cartridge was designed to provide hunters with a cartridge that had similar ballistics to the .416 Rigby cartridge, but in a smaller and lighter package. It is primarily used for big game hunting, particularly in Africa and other locations where large, dangerous game is present.

However, it should be noted that the .400 H&H Belted Magnum cartridge is a relatively new cartridge and is not widely available. Firearms chambered for this cartridge may also be difficult to find, as it is not a standard or popular cartridge.

You find .400 H.& H. Belt.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: .400 H.& H. Belt.Mag
Cartridge Type: Magnum
Bullet Diameter: 0.411 '' | 10.44 mm
Primer Size: Large Rifle Magnum (LRM)
Max. Case Length (l3):2.85'' | 72.29 mm
Max .Cartridge Length / OAL:3.54'' | 90 mm
Maximum Standardized Pressure:63817.6 psi | 4400 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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