The M9 handgun, formally Pistol, Semiautomatic, 9mm, M9, is a 9x19mm Parabellum pistol of the U.S. military adopted in the 1980s. It is essentially a mil-spec Beretta 92F, later the 92FS.
A locked breech, semi-automatic, single-action / double-action recoil-operated pistol, the M9 uses a 15-round staggered magazine with a reversible magazine release button that can be positioned for either right- or left-handed shooters.
Manheim used an M9 handgun, fitted with a screw-on silencer, to assassinate Alex Conklin, under orders of Ward Abbott. Jason Bourne has a Beretta 92FS at the beginning of The Bourne Supremacy when he and Marie are escaping from Kirill in Goa. He is shown pulling one out of the glove compartment of the SUV they are in. Later, he packs another 92FS up with his belongings when clearing out of their former home. The M9 is used throughout The Bourne Ultimatum, by Bourne, Paz, and several CIA agents.
Nykwana Wombosi uses a Beretta 92FS around his safehouse in Paris before being shot in the head.Almost at the end of the film, Manheim uses a suppressed Beretta 92FS to kill Alexander Conklin under the orders of Ward Abbott. Manila, Aaron Cross uses a Beretta 92FS. He is also seen using it on the promotional posters for the film.