Beretta Tx4 Storm  The Beretta Tx4 Storm is a tactical semi-automatic shotgun produced by Beretta. The gun is not to be confused with the handgun and carbine with which it shares its name. The configuration of the gun includes a tall front sight with a white bead, top receiver rail, and a removable white Ghost Ring sight on that rail. The Tx4 has an 18 inch barrel that is cold hammer forged and lined with chrome. The capacity of the magazine includes 5 shots, and there is an ambidextrous safety on the trigger. The shotgun's trigger can be adjusted with 1/2 inch spacers. A soft rubber grip inlays on the fixed synthetic stock which is overlaid by black rubber. A metal Picatinny rail is mounted on the receiver in order to accept optics. The shotgun has the capability to fire both reduced and full power loads.