A Beretta 92FS Inox was used by one of Markov's men in "Pilot".
Error creating thumbnail: File missingAmerican made Beretta 92FS Inox, note the black controls (slide release, thumb safety, safety switch, hammer, magazine release button, rear sight, trigger), magazine bottom plate, grip and Allen/hex grip screws distinguishing it from the Italian 92FS Inox - 9x19mmError creating thumbnail: File missingThe pistol aimed at Missy Stanton's head in "Pilot".
Colt M1911A1
A Colt M1911A1 was briefly used by Agent Case when invited by Mike to have a dry run in "Truth, Lies and Consequences". Mike uses it with a suppressor attached on a black ops rescue mission near the end of "Penultimatum".
The Glock 17 is seen with various characters in the show.
Error creating thumbnail: File missing2 Glock 17 (Gen 2) - 9x19mmError creating thumbnail: File missingOlga Petrovka (Olga Fonda) seizes a Glock 17 from an executed FBI Police officer in "Pilot". Based on the pistol's lack of a rail, it appears to be at least a second generation version.Error creating thumbnail: File missing3rd Generation Glock 17 - 9x19mm. Note the finger grooves, thumb reliefs, and accessory rail on the frame, which differentiate it from the older model.Error creating thumbnail: File missingA security guard turns the corner with his sidearm drawn out in "The Enemy of My Enemy".Error creating thumbnail: File missingAgent Case takes cover with the Glock during a gunfight in "Back in Your Arms". It's only hard to see since the scene was shot at night and the shadow was obscuring the view.Error creating thumbnail: File missingBrenda Pelton aka Molly (Madeline Zima) threatens Harold Hellman with the pistol in the middle of "Truth, Lies and Consequences".Error creating thumbnail: File missingA corrupt Secret Service agent opens fire on President Eckhart at the end of "The Long Walk Home". This is not the actual sidearm used by the actual USSS since they use P229s.File:Evolution.jpgGlock 17 with suppressor 9x19mmError creating thumbnail: File missingNicholas Volker aka Raymond Marks (Andrew Howard) installs a suppressor on his Glock 17 before he executes his hostages at the end of "The Devil and John Case". It's seen in other episode as his preferred weapon.Error creating thumbnail: File missingThe dropped pistol near the end of "The Long Walk Home".Error creating thumbnail: File missingIn a flashback to an Agent X black ops mission, Raymond and John approach a target with silenced Glock 17s at the start of "Angels and Demons".
Glock 19
A Glock 19 with an Osprey suppressor is seen in an arms cache in Agent Case's Camaro in "Back in Your Arms".
A VEVAK agent in Tehran, Iran uses a SIG-Sauer P226R at the start of "Pilot". While the railed version is not used by Iranian security forces, they do use an unrailed version of the P226 under license by DIO. Malcolm Millar (Gerald McRayney) used it during an op to apprehend Neese Rollins and a corrupt USSS agent in "The Long Walk Home"
A SIG-Sauer P229R is used by Josh Robin (Kip Pardue) throughout "Back in Your Arms". Mexican Municipal Police officer Luna Ramirez (Angélica Celaya) uses it as her sidearm in "The Devil and John Case". One of Molly's hired goons use it as his sidearm in "Truth, Lies and Consequences". White House Chief Steward Malcolm Millar uses a suppressed version as his sidearm, first appearing in "The Sacrifice". An armed kidnapper uses it in a flashback in "Angels and Demons".
A Smith & Wesson Sigma was used by Agent John Case (Jeff Hephner) when he was recruited to work for Section 5 during a black ops mission in Berlin, Germany in "Pilot".
An Ingram MAC-10 is used by an El Diablo enforer in "The Devil and John Case". Volker's men use them while guarding Pamela Richardson in "Penultimatum".
An AK type rifle is seen with a power plant guard in "Penultimatum". However, it's hard to see what variant it is since the episode doesn't show the entire weapon.
Colt M16A1s are seen in the show's OP in documentary footage with American troops using them in the Vietnam War.
Error creating thumbnail: File missingM16A1 with 20 round magazine. What distinguishes it from the original M16 was the addition of a raised rib around the magazine release button, changing of the forward Receiver pins, and the addition of the forward assist button on the upper receiver - 5.56x45mmError creating thumbnail: File missingAmerican soldiers take aim with the M16A1.
Colt Model 933
A Colt Model 933 is seen rigged in an assault rifle remoteless turret in "The Sacrifice".
A short-barrel Remington 870 outfitted with beanbag rounds was used by Agent Case briefly in "The Enemy of My Enemy". A short-barreled Remington 870 from a field gun is used by Molly's hired goon in "Truth, Lies and Consequences".
The F-1 Grenade was used by both Malik Ahmad and Agent Case in "The Enemy of My Enemy", the latter using to assassinate a rogue DOD nuclear weapons scientist.