.300 Rem. SA Ultra Mag

Reloading data for .300 Rem. SA Ultra Mag cartridges and specifications for cases and loads in this caliber.
Product number: CID_373
Load data for caliber ".300 Rem. SA Ultra Mag"
The .300 Rem. SA Ultra Magnum is an incredibly powerful cartridge, developed in 2005 for use by serious hunters and target shooters alike. This round combines the velocity and energy of a magnum rifle cartridge with superior accuracy potential - making it perfect for taking down larger game animals out to extended distances as well as precision shooting competitions.

Offering unrivaled accuracy potential from quality rifles equipped with optics, this rifle round is capable of efficiently killing even the largest game animals out to ranges that most other magnums are unable to reach - while retaining sufficient power to penetrate through thick hides and bone. Its dependable performance across temperatures and atmospheric conditions makes it ideal for shooters looking for consistent precision at extreme distances.

You find .300 Rem. SA Ultra 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: .300 Rem. SA Ultra Mag
Cartridge Type: Rimless
Bullet Diameter: 0.308 '' | 7.82 mm
Primer Size: Large Rifle (LR)
Max. Case Length (l3):2'' | 50.88 mm
Max .Cartridge Length / OAL:2.82'' | 71.76 mm
Maximum Standardized Pressure:64107.68 psi | 4420 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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