Load data for caliber ".222 Rem. Mag."The .222 Remington Magnum (also known as the 5.6x45mm) is a centerfire rifle cartridge that was introduced in 1958 by the Remington Arms Company. It is a magnum version of the .222 Remington cartridge, and was designed to offer improved ballistics and longer range compared to its predecessor.
The .222 Remington Magnum uses a bottlenecked case with a bullet diameter of 5.7mm and an overall case length of 44.5mm. It typically fires a 50-55 grain bullet at a muzzle velocity of around 3,000 feet per second, delivering flat trajectory and high accuracy at medium to long ranges.
The cartridge enjoyed some popularity among varmint hunters and target shooters in the 1960s and 1970s, but has since been largely supplanted by other cartridges such as the .223 Remington and .22-250 Remington. Nonetheless, the .222 Remington Magnum remains a capable and accurate cartridge that is still in use by some hunters and enthusiasts.
You find .222 Rem. 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:||.222 Rem. Mag.|
|Bullet Diameter:||0.224 '' | 5.69 mm|
|Max. Case Length (l3):||1.85'' | 46.99 mm|
|Max .Cartridge Length / OAL:||2.28'' | 57.91 mm|
|Maximum Standardized Pressure:||58741.2 psi | 4050 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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