The original article was at Beretta Cx4 Storm. The list of authors can be seen in the page history.
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- "Renowned 9mm submachine gun in an elegant package that possesses a high rate of fire. An extended barrel upgrade increases its range."
— In-game description
The Mx4 Storm is a military variant of the civilian, semi-automatic Cx4 Storm carbine. The submachine gun has a shorter barrel than the civilian counterpart and is capable of select-fire.
In-game, the Mx4 Storm is a submachine gun with low damage but a high rate of fire. This submachine gun also possesses a low recoil. The high rate of fire does mean that the magazine will empty quickly, making the gun better suited to be fired in bursts.
Overall, the Mx4 Storm is an incredibly versatile submachine gun for many situations.