Which famous slogan was used in the initial marketing campaign for the AK-47 assault rifle when it was first introduced to Soviet military officials in 1947?

In the world of military history, product launches can become legendary events that change the course of warfare. Some weapons systems are so revolutionary that their marketing campaigns become almost as famous as the products themselves. This poll tests your knowledge about one of the most influential firearms marketing campaigns in history, which helped establish a weapon that would go on to become the most produced and widely used assault rifle in the world.

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"Reliability in the harshest conditions" (Надежность в самых суровых условиях)
"The weapon of the revolution" (Оружие революции)
"Precision of Russian engineering" (Точность русской инженерии)
"The people's firearm" (Огнестрельное оружие народа)