Beretta 92FS Inox is a stainless steel variant of the Beretta 92FS, Inox is short for "inoxydable", with the slide, barrel and minor parts being made of stainless steel instead of black carbon steel.
In Resident Evil
Featured in Resident Evil: Director's Cut, and referred to as the Custom Beretta; it has wooden grips and a faster firing rate as well as the ability to occasionally kill enemies with one shot.
Operation Raccoon City
The 92FS Inox appears in Operation Raccoon City under the name Handgun. It is an available sidearm for the Heroes faction in Heroes mode, as a counterpart to the Villains' use of the SIG P226. The 92FS Inox does not appear in the U.S.S. campaign. It does not have to be purchased with experience points to be used.