The 7.62x39mm cartridge is a standard round for the AK-47 rifle. This intermediate cartridge size balances power and controllability, allowing for effective automatic fire while maintaining manageable recoil. A typical projectile diameter is approximately .311 inches (7.9mm). Variations exist, including specialized rounds designed for armor piercing or other specific applications.
This ammunition’s widespread adoption stems from its role in the AK-47’s prolific global distribution. The cartridge’s relatively compact dimensions facilitate high-capacity magazines and lightweight ammunition carriage, crucial factors for infantry soldiers. Its ballistic characteristics, including velocity and energy, make it effective at typical engagement ranges. Militaries and other armed forces worldwide have relied on this round for decades due to its affordability, availability, and effectiveness.