One of the more common 9mm pistols, the Beretta is popular due to its reliability, 15 round magazine and good looks.
”— Fallout Tactics description
The 9mm M9FS Beretta is a Small Guns skill weapon in Fallout Tactics.
The 9mm M9FS Beretta was created in 1975 by the Fabbrica d'Armi Pietro Beretta, military adopted in 1985 and officially entered service in 1990. It's a short recoil, semi-automatic, single-action/double-action pistol using a staggered box magazine of 15 cartridges caliber 9mm. It provides good accuracy up to 50 m and it's also easy to clean.
There are several much better handguns, but the Beretta is always going to be there if you need it.