Colonel John Casey (Adam Baldwin) continues to use the custom SIG-Sauer P229 at the beginning of Season 4. Sarah pulls the SIG in "Chuck Versus the Leftovers" (S4E10). Chuck is seen holding the custom P229 on Hugo Panzer in "Chuck Versus the Cubic Z" (S4E03).
SIG-Sauer P226 (Nickel)
A nickel SIG-Sauer P226 is seen being pulled on Morgan in "Chuck Versus the Aisle of Terror" (S4E06). The handgun is also used by Pierre Melville (Jean-Christophe Febbrari) in "Chuck Versus the Balcony" (S4E11). It's also the sidearm of Captain Richard Noble (Isaiah Mustafa) in "Chuck Versus the A-Team" (S4E18).
SIG-Sauer P226 SL Sport II
Thugs are armed with the SIG sport in Season 4's "Chuck Versus the Suitcase" (S4E02).
SIG-Sauer P226 Tactical Operations
Later in Season 4, Casey appears to carry a customized SIG-Sauer P226 as his sidearm. The pistol resembles the the Tactical Operations variant, being fitted with an Elite slide with front cocking serrations, TRUGLO Tritium Fiber Optic front sight, and extended Magwell grips with 20 round magazine. However, the pistol lacks the beavertail of the Tactical Operations pistol, has nickel accents and has had the notron finish of the slide removed from the raised portions of the cocking serrations. It was also seen in the hands of Gaez (Lou Diamond Phillips) when he threatens Carina in "Chuck Versus the Cat Squad" (S4E15).
In Season 4's "Chuck Versus the Muuurder" (S4E19), Josie (Karissa Vacker) carries a Smith & Wesson SW99 with a nickel-plated slide as her sidearm.
Beretta 90Two
The Beretta 90Two with an extended magazine is the weapon of choice for Mary Bartowski (Linda Hamilton), Chuck's mother. In "Chuck vs. the Aisle of Terror" (S4E06), she wields it in a standoff with Sarah and outside a restaurant where she meets Chuck. Casey's former teammate Mackintosh (Joel David Moore) wields this Beretta during their reunion in "Chuck Versus the Couch Lock" (S4E05).
Beretta 92FS
In Season 4's "Chuck Versus the Leftovers" (S4E10), Morgan Grimes (Joshua Gomez) is given a Beretta 92FS by Casey. Morgan is then seen taping it to his back à la John McClane in Die Hard. In "Chuck Versus the Couch Lock" (S4E05), members of Casey's old team as well as Casey are seen pulling their Berettas in a flashback.
Beretta 8045 Cougar
Zondra (Mercedes Masohn) carries a .40 caliber Beretta 8040 Cougar F in Season 4's "Chuck Versus the Cat Squad" (S4E15) and "Chuck Versus the Cliffhanger (S4E24).
FN Five-seveN
The FN Five-seveN is the weapon pulled by CIA Director Clyde Decker in "Chuck Versus the Cliffhanger".
FN 49
Several FN 49 pistols are seen used by many operatives working for Volkoff Industries in Season 4. In "Chuck Versus the Leftovers" (S4E10), Barbara (Monet Mazur) is seen threatening Casey with her handgun. In "Chuck Versus the Gobbler" (S4E12), Sarah elaborately disarms two guards of their handguns and holds them on Alexi Volkoff. Another one is seen in "Chuck Versus the Masquerade" (S4E16).
An FN49 is used by a guard protecting Vivian Volkoff in "Chuck Versus the Family Volkoff" (S4E20).
The Glock 17 variant with the stainless slide is a frequent weapon often dual-wielded by spies in the series. In "Chuck Versus the A-Team", Captain Victoria Dunwoody (Stacy Keibler) also dual-wields stainless slide Glocks.
One of the Iranian Nuclear scientists also holds Morgan hostage with a P7M13 in "Chuck Versus The Wedding Planner" (S4E23).
Heckler & Koch VP70
A Heckler & Koch VP70 is seen in the hands of Chinese mafia in "Chuck Versus the Sizzling Shrimp" (S1E05).
IMI Jericho 941
Volkoff Agent Jasmine totes a blued Jericho 941 in "Chuck Versus Agent X" (S4E22).
IMI Desert Eagle Mark I
n Season 4's premiere "Chuck Versus the Anniversary" (S4E01), Marco (Dolph Lundgren) carries a chrome Desert Eagle as his sidearm. IMI Desert Eagle Mark I throughout "Chuck Versus the Wookie" (S1E04). Chuck gives Sarah a chrome Desert Eagle for a mission in "Chuck Versus the Anniversary" (S4E01), but she is not seen using it. Another chrome Desert Eagle fitted with a scope and a custom compensator that matches the barrel is used in "Chuck Versus Phase Three" by Morgan Grimes (Joshua Gomez). Although John Casey (Adam Baldwin) said it didn't have any bullets; it may have implied he only gave him blanks or none at all.
Kel Tec PF-9
Sarah is seen pulling what appears to be a stainless slide Kel-Tec PF-9 in Season 4's "Chuck Versus the Suitcase" (S04E02).
Makarov PM (Stainless)
Alejandro Goya (Armand Assante) carries a stainless Makarov as his sidearm as seen in "Chuck Versus the Coup d'Etat" (S4E03).
NAA Guardian
Sarah also pulls an NAA Guardian from a magnetic thigh holster in Season 4's "Chuck Versus the Balcony".
Ruger P95
Carina Miller (Mini Anden) holds the Ruger P95 in Season 4's "Chuck Versus the Cat Squad".
Sphinx AT 2000
A Sphinx AT 2000 pistol in "duotone" finish is pulled on Roan Montgomery (John Larroquette) in "Chuck Versus the Seduction Impossible" (S4E14).
A Steyr M9A1 is seen being pulled in Season 4's "Chuck Versus The Masquerade".
STI Edge 4.0
The STI Edge 4.0 is the flamboyant personal weapon of choice for both Alexei Volkoff (Timothy Dalton) in black, and Vivian Volkoff (Lauren Cohan) in chrome.
Taurus PT945
The handgun used by Sofia Stepanova (Karolína Kurková) in Season 4's "Chuck Versus the Suitcase" (S4E02) is a Taurus PT945 loaded with "smart bullets". Adelbert De Smet (Richard Chamberlain) and his henchmen are armed with the stainless Taurus PT945 in "Chuck Versus the Fear of Death".
Revolvers
Smith & Wesson Model 500
In Season 5's "Chuck Versus the Frosted Tips" (S5E03), Casey (Adam Baldwin) contemplates whether to take his SIG or a 4" Smith & Wesson Model 500 to the shooting range. He mentions that bringing the Smith & Wesson would show that he's "rugged and reliable," whereas the SIG would be "sleek & sophisticated."
Smith & Wesson Model 625
In Season 2's "Chuck Versus Santa Clause", Noseless Ned Ryerson pulls what appears to be a Smith & Wesson Model 625 to hold Chuck and the others hostage in the Buy More. Devon Woodcomb (Ryan McPartlin) is later seen holding the revolver.
What appears to be a Smith & Wesson Model 686 is pulled out of the pants of Lewis (James Francis Ginty) in Season 4's "Chuck Versus the Muuurder".
Taurus Model 605
In "Chuck Versus the Fake Name" (S3E10), a Taurus Model 605 revolver is held by Matty (Tony Sirico) and then Chuck.
Submachine Guns
FN P90
The FN P90 is seen displayed at "Weap-Con" in "Chuck Versus the Nacho Sampler". Guards armed with FNP90's are taken out by Sarah in Season 3's "Chuck Versus the Tic Tac" (S3E10). In Season 4's "Chuck Versus the Push Mix", both Sarah and Mary Bartowski take P90's off of Volkoff's guards.
Heckler & Koch MP5A2
In the pilot episode as Bryce Larkin is stealing the Intersect computer, numerous members of the CIA's security detail carry the Heckler & Koch MP5A2 with SureFire dedicated forend weaponlights. In "Chuck Versus Phase Three" (S4E09), Casey (Adam Baldwin) can be seen with a MP5A2 with a red-dot scope as well. Later in the same episode, Sarah also uses the MP5A2.
Heckler & Koch MP5SD3
The Heckler & Koch MP5SD3 is seen in the hands of one of Ted Roark's men in Season 2's finale "Chuck Versus the Ring" (S2E22). Sarah uses an MP5SD3 during a firefight in "Chuck Versus The Curse."
Heckler & Koch MP5K
CIA undercover agents carrying Heckler & Koch MP5Ks come to back up Casey and Sarah in "Chuck Versus the Alma Mater" (S1E07). Sarah packs a few H&K MP5KA4's while determined to fly to Switzerland and help Chuck in "Chuck Versus the Fear of Death" (S4E8).
Heckler & Koch HK416
Casey uses a Heckler & Koch HK416 fitted with an EOtech sight in a firefight in "Chuck Versus The Curse."
Heckler & Koch UMP
Both Sarah and Casey carry the Heckler & Koch UMP while in Somalia in Season 4's "Chuck Versus the Family Volkoff" (S4E20).
Micro Uzi
La Ciudad's two henchmen fire Micro Uzis at Casey and Sarah as they come to rescue Chuck in the hotel room in "Chuck Versus the Tango" (S1E03).
Uzi
A guard is seen armed with an Uzi while overseeing the transport of a shipping container in Season 1's "Chuck Versus the Imported Hard Salami".
MAC-11
In "Chuck Versus the First Date" (S2E01), the men employed by Mr. Colt (Michael Clarke Duncan) are armed with MAC-11 submachine guns fitted with suppressors when they confront Chuck and Sarah at the Chinese restaurant.
Steyr SPP
During the bank robbery in Macau in Season 4's "Chuck Versus the First Bank of Evil", Sarah is armed with two Steyr SPPs.
Rifles
Colt M4A1 Carbine
An armed sentry (presumably US Army) is seen holding a Colt M4A1 in "Chuck Versus the Helicopter" (S1E02). In several episodes, members of the CIA strike team can also be seen carrying the M4A1, often outfitted with a variety of optics (Trijicon 4x ACOG scope, Aimpoint CompM2 red dot, and/or EOTech 552 holographic weapon sight), and SureFire tactical weapon lights. In Season 4's "Chuck Versus Phase Three" (S4E09), John Casey (Adam Baldwin) briefly switches out an MP5A2 for the M4A1 Carbine with an Trijicon 4x ACOG scope and with a vertical fore-grip. Casey had previously held one with an EOTech sight in "Chuck Versus the Aisle of Terror".
AKM
AKM rifles can be seen wielded by Thai mercenaries in "Chuck Versus Phase Three" (S4E09). Somali pirates also wield the rifles in "Chuck Versus the Family Volkoff" (S4E20).
AKMS
An AKMS rifle is held by a rebel soldier in "Chuck Versus the Tic-Tac".
AKMSU
In Season 3's "Chuck Versus the Angel de la Muerte" (S3E03), Premier Alejandro Goya's soldiers carry AKMSUs with full black furniture. Sarah also is seen holding one in the same episode.
AKS-74U
In the Season 4 premiere "Chuck Versus the Anniversary" (S4E01), Casey is using an AKS-74U carbine with a KCI quad rail system.
He mentions the weapon as "the best Commie rifle ever made, the AK-47".
FN F2000
The FN F2000 Tactical is seen displayed at "Weap-Con" in "Chuck Versus the Nacho Sampler". Guards armed with FN F2000's are seen in Season 3's "Chuck Versus the Tic Tac" (S3E10).
FN SCAR
T.I. (Batista) totes an FN SCAR when confronting Casey in "Chuck Versus the Couch Lock".
Heckler & Koch G36C
Mr. Colt's men carry the Heckler & Koch G36C equipped with various accessories (one has a suppressor) in "Chuck Versus the First Date" (S2E01). Mercenaries armed with the G36 are taken down by Casey in "Chuck Versus Phase Three".
SIG SG552
In "Chuck Versus the Seduction Impossible" (S4E14), Fatima Tazi's henchwomen are armed with the SIG SG 552.
Valmet M76F
One of Stavros Dmitrio's henchmen is seen firing a Valmet M76F with folding tubular stock in "Chuck Versus the Imported Hard Salami" (S1E09).
Sniper Rifles
Sako M995 TRG-S
Malena (Lorena Bernal), aka "La Ciudad", is seen on the roof of the Wienerlicious with a scoped and suppressed Sako M995 TRG-S sniper rifle in "Chuck Versus the Tango" (S1E03).
Blaser R93 Sniper Rifle
In Season 3's "Chuck Versus the Three Words" (S3E02), hitman Karl Stromberg (Vinnie Jones) uses a Blaser R93 Sniper Rifle to wound a man who stole his case. (The name is a reference to the main villain in the James Bond film The Spy Who Loved Me.) Sarah uses one taken off a sniper in "Chuck Versus the Fat Lady" (S2E07). Gertrude Verbanski uses an R93 to cover Chuck & Sarah during a mission in "Chuck Versus The Hack Off."
EDM Arms Windrunner
A suppressed EDM Arms Windrunner is used by Sarah and Casey in "Chuck Versus the Baby."
Remington 700 AICS
In Season 3's "Chuck Versus the Fake Name" (S3E08), Casey uses a suppressed Remington 700 mounted on an Accuracy International Chassis System to fire a tranquilizer dart in order to capture Rafe Gruber.
Remington 700PSS
A Remington 700PSS is used by one of the sheik's guards in "Chuck Versus the Delorean".
AIG Asymmetric Warrior ASW338LM
In Season 3's "Chuck Versus the Fake Name" (S3E08), Chuck takes the identity of Rafe Gruber, the world's most dangerous assassin, and is taken to an apartment where an AIG Asymmetric Warrior ASW338LM is set up for a hit. The real Rafe Gruber (Johnny Messner) later is seen in the apartment and looks through the rifle's scope. John Casey finally is seen using the rifle and says apparently he's one of 5 people in the world that can make that shot.
Barrett Model 98 Bravo
In Season 4's "Chuck Versus the Masquerade", Casey is seen using a Barrett Model 98 Bravo sniper rifle to take down counter snipers who had surrounded Sarah.
Ruger M77
In Season 4's "Chuck Versus the Masquerade", a .308 chambered Ruger Model 77 bolt-action rifle is used by one of the snipers that try to eliminate a target.
Steyr Scout
In Season 4's "Chuck Versus the Masquerade", a Steyr Scout sniper rifle is used by another one of the snipers that try to eliminate a target.
Shotguns
Ithaca 37
In Season 3's "Chuck Versus the Angel de la Muerte", Casey is seen taking out a Ithaca 37 with a nickel finish, pistol grip and extended mag barrel from a hidden compartment in his apartment. The shotguns are on the left in the compartment. Chuck tosses the Ithaca 37 to Sarah in the episode.
Mossberg 500 Mariner
In addition to the Ithaca, Casey grabs a Mossberg 590 Mariner fitted with a pistol grip and saddle shell holder.
Mossberg 590 Cruiser
When an intruder is detected in "Castle", Sarah picks up a Mossberg 590 Cruiser fitted with a heat shield in Season 2's "Chuck Versus the Lethal Weapon" (S2E16).
Mossberg 590A1 (Short Barrel)
Ted Roark (Chevy Chase) takes what appears to be a short barrel variant of the Mossberg 590A1 shotgun from a fellow Fulcrum agent when crashing Ellie and Devon's wedding in Season 2's finale "Chuck Versus the Ring" (S2E22).
Mossberg 590 Cruiser (Folding Stock and Door Breaching Brake)
Alex Casey holds a Mossberg 590 Cruiser on Morgan in "Chuck Versus The Curse."
Casey uses what appears to be the Remington 870 Tactical model in "Chuck Versus the Muuurder" (S4E19). His Remington is fitted with a heat shield, EOTech sight, saddle shell holder, weaponlight and a Magpul stock.
Smith & Wesson 3000 Shotgun
A Smith & Wesson 3000 Shotgun with a sawed off stock is used by a gunman who holds up a convenience store in "Chuck Versus the Bearded Bandit". It's later held by Chuck.
Winchester Model 1200
A stainless Winchester Model 1200 shotgun is pulled by Vivian in "Chuck Versus the Masquerade".
12 Gauge Double Barreled shotgun
Mrs. Winterbottom is seen taking out a 12 Gauge Double Barreled Shotgun to defend her home in Season 4's "Chuck Versus the Masquerade".
12 Gauge O/U Shotgun
In Season 5's "Chuck Versus the Bearded Bandit" (S5E02), Casey is seen carrying a 12 gauge O/U Shotgun while disguised as a hunter. He is later seen holding the shotgun inside the house.
Machine Guns
M134 Minigun
Preparing to leave the Castle, John Casey packs up a handheld configuration of the M134 Minigun, lamenting that he never got to use it. He later is able to use it while rescuing Sarah and Chuck from a Ring facility in "Chuck Versus the Pink Slip" (S3E01). In "Chuck Versus the Beefcake", a UH-60 Black Hawk armed with dual miniguns opens fire on Chuck and Sarah. In "Chuck Versus the Leftovers" (S4E10), several miniguns are activated at the Buy More when Volkoff enters the store.
In "Chuck Versus the Family Volkoff" (S4E20), M240 Machine Guns are set up as a security measure in the vault that Alexei Volkoff tries to disable by winning a game of chess.
M1919A4 .30 Caliber Machine Gun
The Browning M1919A4 .30 caliber machine gun is displayed among the many weapons at the Weap-Con in " Chuck Versus the Nacho Sampler".
Browning M2HB
A Browning M2HB machine gun is seen mounted on top of a Marine humvee outside Volkoff's cabin in Season 4's "Chuck Versus the Push Mix".
Heavy Weaponry
M2 84mm Rocket Launcher (Carl Gustav Recoilless)
Lon Kirk fires a mockup of an M3 Carl Gustav Recoilless Rifle identified in the episode as an "M2 84mm Rocket Launcher" by Casey, at a ship carrying not only counterfeiting plates, but also Morgan and Anna in "Chuck Versus the Crown Vic" (S1E11). In Season 4's "Chuck Versus the Seduction Impossible" (S4E22), Brigadier General Diane Beckman (Bonita Friedericy) also uses the launcher. This prop appears to have been used as well in the series NCIS and NCIS: Los Angeles.
Norinco Type 69 RPG
A Type 69 RPG is also seen in the hands of Somali militia in "Chuck Versus the Family Volkoff".
Other
M26 Hand Grenade
Mrs. Winterbottom creates an IED out of a block of MI6-issue PE4 (a British plastic explosive very similar to C4) and an M26 hand grenade to "scuffle the house" in "Chuck Versus Agent X." She attaches the pin to a spool of yarn and proceeds to dash out of the house with Team Bartowski.
Tranquilizer Baby WE Hi-Capa 3.8 (Type 8)
The "Trank Gun" frequently seen used by Chuck in the series is an airsoft handgun known as the Baby Hi-Capa 3.8. The airsoft pistol is customized to fire tranquilizer darts with the standard "Green Gas" rather than airsoft pellets. It is also customized with an extended barrel due to painting over the orange tip (required by US law), with metallic silver paint. A red or green laser sometimes accompanies the gun on it's bottom accessory rack. The ammunition is varied, but most commonly used are the "10mg Darts". The darts can also be stuck manually into someone to gain the same effect. It has been referred to several times that the medication in the darts is a diluted Tetradotoxin (Anhydrotetrodotoxin) solution. There is another kind of dart that has a fast-acting small dose of Ketamine. The vents on the slide indicate that it is a Type 8. Because of Chuck's distaste for real weapons, the team begins to use the trank guns much more often beginning in Season 4, especially on kidnapping missions. The trank guns are often used on unarmed/unsuspecting persons instead of more lethal weapons.
Tranquilizer Weapon
In Season 1's "Chuck Versus the Helicopter", another tranquilizer dart weapon appears, and looks to have been built up from an M16-type receiver. This same Tranquilizer gun was earlier used to tranq Casey.
Palmer Cap-Chur Short Range Projector
Another is seen at the Weap-Con in "Chuck Versus the Nacho Sampler".
Tranquilizing Syringe Gun
A type of syringe gun is used to tranq Chuck, and get him out of the presence of General Beckmann, in "Chuck Versus the Pink Slip" (S3E01). A similar prop was used in the film Mission: Impossible III.
Barcode Scanner Gun
Casey's Buy More acceptable covert weapon of choice hidden inside a barcode scanner. First seen in Season 2's "Chuck Versus the Cougars", the weapon appears to be a stainless slide Glock 17 (due to the external extractor on the slide).
Grappling Pistol
Sarah fires a Grappling Hook Pistol to gain access into the Moroccan keep in "Chuck Versus the Seduction Impossible" (S4E14).
Laser Pistol
Chuck uses a laser pistol to cut through a sewage grate, and a sandstone wall in "Chuck Versus the Seduction Impossible" (S4E14).
Armories and Gun Displays
"Castle"
"Castle", is the code name for the underground CIA/NSA substation where Sarah, Casey, Chuck, and Morgan communicate with their superiors (mainly General Diane Beckman). Castle is located underground somewhere between the former Orange-Orange and the current Buy More. It is comprised of a main area for team debriefing, a video conference room for federal debriefs comprised of a series of large computer screens, 2 prisoner wings (1 solitary, 1 bulletproof acrylic holding cells), 1 interrogation wing, a Dojo for martial arts practice, an armory with a huge selection of weapons including 3+ Casey custom SIG P229s, a shooting range, and a scientific analytical labratory, 1 wing that was used for the National Clandestine Service with maximum security holding cells, now it is used as a maximum security prisoner holding facility, and recently revealed in "Chuck Versus Agent X", a room for secret vehicle development.
"Weap-con"
In Season 3's "Chuck Versus the Nacho Sampler", a massive fictional weapons conference known as "Weap-con" features many weapons. In addition to the very prominently displayed ones, there are few that are only briefly glimpsed on weapons racks in the background.
Casey's Apartment Armory
Casey keeps a hidden armory in his apartment.
Chuck's Apartment Sofa Armory
Sarah created a mini armory in Chuck's sofa due to the "30 ft. rule" without Chuck's approval. Please note the inscription on the Tranq Guns. Blurry though it may be, it reads "BABY HI-CAPA 3.8"
"Chuck Versus the Muuurder"
In Season 4's "Chuck Versus the Muuurder", the agents participating in the exercise at Castle are told to give up all their weapons, which results in a massive pile of handguns.
Gunrunner Armory
Throughout several episodes of the show, usually whenever Chuck "flashes" on gun-runners or other criminals, the Intersect shows him pictures of large armory rooms full of guns. All of these images are pictures of the weapons vault of Independent Studio Services, the company which supplies the weapons and other props used on Chuck. If you've ever been curious to know what a Hollywood prop house's armory looks like, now you know!