The AK-74U is a straightforward Kalashnikov rifle. However, it uses the Small Caliber, High Velocity (SCHV) concept first put to a trial by fire by the M16 in Southeast Asia (not just in Vietnam – the British also used them in Borneo). It could be felt like a Personal Defense Weapon (PDW). Those types of guns can quickly spray bullets in close combat which makes them especially useful. The AKS-74U fires a little 5.45mm cartridge, which makes the bullet easier to fire and gun control better.

The AKS-74U is a carbine (a mix between rifle and SMG). It was designed for close-range combat. If it was chambered with more powerful rounds, it would over-penetrate. The shorter barrel is for good close-range combat. A barrel that is longer will slow down the bullet through friction but is essential for gun control.

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The AKS-74U submachine gun was the weapon of choice for Spetsnaz (Russian Special Forces). It was largely because it was invented to bridge the tactical deployment gap between a submachine gun and an assault rifle. It was also widely used with airborne infantry, rear-echelon support units, helicopter, and armored vehicle crews because of its length.

..俄羅斯突擊隊員攻堅解救人質所用的.AKS-74U.充分的發揮功效.

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.前蘇聯空降部隊.專用AKS-74U.黑市價碼高達1萬美元