+The 5.45x39mm cartridge is a [rifle cartridge](/wiki/Rifle_Cartridge) developed in the Soviet Union. Designed for the [AK-74](/wiki/AK-74), it features a small-caliber, high-velocity projectile, known for its flat trajectory and controlled recoil.
+## See also
+- [Ammunition](/wiki/Ammunition)
+- [Cartridge](/wiki/Cartridge)
+- [Ballistics](/wiki/Ballistics)
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