.405 Win.

Reloading data for .405 Win. cartridges and specifications for cases and loads in this caliber.
Product number: CID_663
Load data for caliber ".405 Win."
The .405 Win is a rimless, bottlenecked centerfire cartridge developed by Winchester in the early 1900s. It was designed to be a powerful round with the capability of taking down large game and is suitable for hunting applications.

The .405 Win has low recoil, good velocity and accuracy over long distances. Its thick case walls allow it to handle heavy charges when reloading. Additionally, its high bullet weight and flat trajectory provides impressive penetration capabilities against thick hides and boned structures.

You find .405 Win. 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: .405 Win.
Cartridge Type: Rimmed
Bullet Diameter: 0.413 '' | 10.49 mm
Primer Size: Large Rifle (LR)
Max. Case Length (l3):2.58'' | 65.53 mm
Max .Cartridge Length / OAL:3.18'' | 80.64 mm
Maximum Standardized Pressure:45977.68 psi | 3170 bar
The Sporting Arms and Ammunition Manufacturers’ Institute (SAAMI) is a non-profit organization that was established in 1926 in the United States to create and promote standardized specifications for firearms, ammunition, and components. SAAMI works to ensure that firearms and ammunition produced by manufacturers meet consistent and safe standards.

SAAMI has a broad membership base, consisting of over 120 leading manufacturers of sporting arms and ammunition in the United States. The organization is involved in various activities that are aimed at improving the quality of firearms and ammunition. Some of its core activities include the development of industry standards and technical specifications, testing and evaluation of firearms and ammunition, and promotion of firearm safety and responsible use.

One of SAAMI's key responsibilities is the development of technical standards for the manufacture and testing of firearms and ammunition. These standards cover everything from the design and construction of firearms to the materials and components used in ammunition. SAAMI's standards are widely accepted throughout the industry, and many government agencies, including the U.S. military, use them as the basis for their own standards.

One of the most important standards developed by SAAMI is the "Cartridge and Chamber Drawings" standard. This standard defines the dimensions and tolerances for the design of cartridges and chambers in firearms. This standard ensures that cartridges and chambers are designed to precise specifications, which helps to ensure safe and reliable performance.

SAAMI is also involved in testing and evaluation of firearms and ammunition. The organization operates a state-of-the-art testing facility where firearms and ammunition are tested to ensure they meet SAAMI's technical standards. SAAMI's testing procedures are rigorous and thorough, and they cover everything from pressure testing to accuracy testing. SAAMI also conducts research and development activities aimed at improving the performance and safety of firearms and ammunition.

In addition to its technical activities, SAAMI is also involved in promoting firearm safety and responsible use. The organization works closely with other industry organizations and government agencies to promote responsible firearm ownership and use. SAAMI also provides educational materials and resources to help individuals and organizations improve their knowledge and understanding of firearms and ammunition.

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