The 7.62x39mm cartridge, typically used in AK-47 rifles, possesses specific dimensional characteristics crucial to its function and ballistic performance. These dimensions include the overall length of the cartridge, the bullet diameter, case length, and the specific measurements of the projectile itself, such as its weight and shape. Variations in these measurements can impact accuracy, muzzle velocity, and effective range.
Understanding these specifications is fundamental for several reasons. For ammunition manufacturers, precise measurements are essential for ensuring reliable performance and compatibility with firearms chambered for this cartridge. From a ballistic perspective, these dimensions directly influence the projectile’s trajectory and terminal effects. Historically, the 7.62x39mm round’s dimensions were chosen to balance factors like power, portability, and controllability, contributing to its widespread adoption.