No, it is a semi-automatic.
That is the correct spelling of the handgun model Beretta M9 (standard issue 9mm pistol of the US armed forces).
The Beretta M9 utilized 9x19mm rounds (standard 9mm fare).
Beretta M9 9mm
The FS is the most advanced model of the Beretta 92. I wouldn't recommend the early M9 pistols (which were basically Beretta 92F pistols) over the 92FS, but the later production M9 pistols are 92FS pistols. The main difference being the the actual M9 pistol production is supervised directly by the DoD.
Beretta M9 pistols have a manual slide safety, a drop safety and a trigger safety.
It will be marked "Property of US Government".
Beretta made a LOT of different 9mm pistols. However, if you are asking about the M9 pistol used by the US Army, it is about 8.5 inches long.
The USMC uses the Barretta 9mm.
The common sidearm pistol issued to the US Army is the M17/M18 Modular Handgun System, which is based on the SIG Sauer P320 pistol. It is a 9mm caliber semi-automatic pistol that replaced the previous generation M9 Beretta pistol.
An M9 pistol is not capable of automatic fire, in any form. The firing mechanism is not designed to fire a new round until the trigger is released and pulled again. That is, what is commonly called the "action" of the pistol needs the trigger to be pulled to release the firing pin after each round is fired.
The M9 magazine holds 15 rounds. Any magazine designed to be compatible with the Beretta 92 is capable of being used in an M9 pistol, but the only issue magazines are 15 round non-OEM magazines.
Double action