This cartridge is a rimmed rifle round, developed in the Russian Empire and introduced as a service cartridge in 1891. Originally designed for the Mosin-Nagant bolt-action rifle, it has seen extensive use in a variety of firearms, including machine guns and designated marksman rifles, across numerous global conflicts. Its dimensions are defined by a bullet diameter of 7.62 millimeters and a case length of 54 millimeters, with “R” denoting the rimmed case design. The study of this ammunition’s behavior in flight, encompassing factors like velocity, trajectory, energy, and wind drift, is essential for understanding its effective range and terminal performance.
Understanding the external and terminal performance characteristics of this specific ammunition is crucial for military applications, hunting, and competitive shooting. Accurate data informs effective employment in diverse scenarios, influencing shot placement, trajectory prediction, and ultimately, mission success. Its historical significance, spanning over a century of military service, underscores its enduring relevance in modern ballistics studies.