Load data for caliber ".243 WSSM"The .243 Winchester Short Magnum (WSSM) is a powerful and highly accurate centerfire rifle cartridge based on the .300 WSM case necked down to accept .243 caliber (6mm) bullets. Developed in 2006 by Winchester, this round offers good velocities with minimal recoil - making it perfect for smaller framed shooters.
The .243 WSSM is primarily used for hunting medium sized game such as deer, antelope and wild boar at extended ranges due to its flat trajectory and low recoil. It can also be used effectively for shooting varmints such as coyotes, foxes and prairie dogs, making it a great all-around choice for many hunting applications.
You find .243 WSSM 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)
|Bullet Diameter:||0.243 '' | 6.17 mm|
|Primer Size:||Large Rifle (LR)|
|Max. Case Length (l3):||1.66'' | 42.24 mm|
|Max .Cartridge Length / OAL:||2.36'' | 59.94 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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