The term “magnum” carries varied meanings across regions. In the United States, any cartridge featuring a belted case is often labelled a “magnum” irrespective of its actual capacity or ballistic performance. Take the .350 Remington Magnum, for example. The British, who originally coined the term, reserve it for cartridges with substantial case capacity, such as the .505 Magnum Gibbs, regardless of case design. Continental Europeans, by contrast, tend to avoid the term altogether. Derived from Latin, “magnum” can be translated as “great”, “large” or “powerful”.
When tasked by your editor to produce a comparative analysis of the .300 Magnums, I faced the challenge of narrowing down a vast field – there are several dozen to choose from. To streamline the selection, I applied three criteria: ballistic performance (specifically, achieving 3…
