Beretta 92FS

Also known as the M9 in U.S. military service (however, there are few - if any- actual "M9s" seen in movies and TV shows; property masters and armorers always use the civilian 92FS). Four out of five branches of the military issue the Beretta M9; all five did until 2006 when the USCG adopted the SIG-Sauer P229.

In the Anime
During the final fight at the Metropolitan Opera House (Episode 48 and Episode 49), US government agents use Beretta to fight Chiropterans. Apparently some of them are converted to full auto. Surprisingly, a semi auto Beretta 92FS seems to be capable of fighting a single Chiropteran with no problem. An US agent tosses his Beretta to Van Argiano to protect himself when they abandoned him in the last moment.