Load data for caliber ".375 Weath. Mag."The 375 Weatherby Magnum (375 Wby Mag) is a rifle cartridge developed by Roy Weatherby in the mid-1940s. It is a belted, bottlenecked cartridge with a bullet diameter of .375 inches (9.5mm) and a case length of 2.913 inches (74mm).
The 375 Wby Mag is known for its high velocity and flat trajectory, making it a popular choice among long-range hunters and shooters. It is capable of firing heavy, high-BC bullets at extremely high velocities, resulting in excellent long-range accuracy and terminal ballistics.
The cartridge is suitable for hunting a wide range of big game, from elk and moose to African plains game and dangerous game such as cape buffalo and elephant. However, due to the cartridge's high velocity and energy, it generates significant recoil, which can be challenging for some shooters to manage.
The 375 Wby Mag is typically used in rifles with strong actions and heavy barrels to handle the high pressures generated by the cartridge. Overall, the 375 Wby Mag is considered a powerful and versatile cartridge for big game hunting and has a loyal following among hunters and shooters who value its performance and reliability.
You find .375 Weath. 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:||.375 Weath. Mag.|
|Bullet Diameter:||0.375 '' | 9.53 mm|
|Max. Case Length (l3):||2.85'' | 72.39 mm|
|Max .Cartridge Length / OAL:||3.56'' | 90.42 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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