Dual 9mm Pistols

Dual 9mm Pistols are all perk pistol that is a direct upgrade to the 9mm pistol as you can dual wield them, double the guns double the damage right?

Item description; ''"This is a pair of standard 9mm pistols. You can sell one (only), if you need to." "Alt-fire switches aiming styles when in Ironsights." Fire mode is semi-auto only."''