The following guns were used in Tom Clancy's Chaos Theory:
Splinter Cell Chaos Theory (2005) Handguns Beretta 92FS Used by the People's Voice Revolutionaries and Panamanian guards.
Error creating thumbnail: File missing Beretta 92F - 9x19mm. FN FiveseveN Referred to as the 'SC Pistol'. Sam's standard issue sidearm. Is said in-game to be integrally silenced. It appears to be the original model. Is fitted with a 'OCP device' which temporally disrupts electrical equipment.
Error creating thumbnail: File missing FN Five-SeveN (Original Model), 5.7x28mm. This model is no longer produced. Error creating thumbnail: File missing Sam aims his FN Five-seveN in the Bank level. Heckler & Koch Mark 23 Used by the National Guardsmen, as well as I-SDF & G-SDF troops.
Error creating thumbnail: File missing H&K Mk 23 Mod 0 .45 ACP Error creating thumbnail: File missing A national guardsman holds a H&K Mk 23 Mod 0 in the Penthouse level. IMI Desert Eagle Used by Doug Shetland at the end of the bathhouse and by General Jung, who is only seen in Co-op mode.
Error creating thumbnail: File missing Desert Eagle Mark XIX - .50 AE Chrome Silver Yarygin PYa Used by North Korean soldiers.
Error creating thumbnail: File missing MP-443 Grach, 9x19mm. Error creating thumbnail: File missing After spotting Sam, North Korean soldiers armed with Yarygin PYa open fire. Error creating thumbnail: File missing A discarded Yarygin PYa . Submachine Guns Heckler & Koch MP7 Used by the Displace International mercenaries as their standard 'handgun'.
Error creating thumbnail: File missing H&K MP7A1 with factory magazine and iron sights - 4.6x30mm. This MP7 shown in Autopistol configuration. Error creating thumbnail: File missing Two Heckler & Koch MP7 within a crate in the Lighthouse level. Heckler & Koch UMP9 Used by some Displace International mercenaries.
Error creating thumbnail: File missing Heckler & Koch UMP9 (note curved magazine) - 9x19mm Error creating thumbnail: File missing A Displace International employee armed with a Heckler & Koch UMP9 . Rifles AKM Used by a People's Voice revolutionary and the North Korean soldiers.
May possibly be a Type 56, but I cannot get a close enough look to tell.
Error creating thumbnail: File missing The ones in game seem to have synthetic furniture like the AK-103, but lack its muzzle brake. Error creating thumbnail: File missing A North Korean soldier holds one of the suspected AKMs in the Battery level CIS SAR-21 Used by I-SDF troops.
Error creating thumbnail: File missing SAR 21, 5.56mm NATO Error creating thumbnail: File missing A I-SDF operative with a CIS SAR-21 slung over his back in the Bathhouse mission. FN F2000 Tactical Sam's standard issue rifle. Fitted with either a 40 mm launcher, a shotgun, a '20mm Sniper attachment', or an ordinary handguard. Sights are usually a C-More Red dot sight, changing to a standard F2000 sight with the 'sniper attachment'. In game is said to be integrally silenced.
Error creating thumbnail: File missing FN F2000 Tactical with folding foregrip 5.56x45mm NATO Error creating thumbnail: File missing Sam aims his FN 2000 with the sniper attachment in the Penthouse level. Error creating thumbnail: File missing The FN 2000 with the foregrip attachment in the Bank level. Heckler & Koch G36C Standard rifle of the Displace International mercenaries, usually equipped with a red-dot aiming sight.
Error creating thumbnail: File missing Heckler & Koch G36C - 5.56x45mm Error creating thumbnail: File missing A mercenary drops his Heckler & Koch G36C as Sam grabs him from behind in the Bathhouse mission. Heckler & Koch XM8 Used by the South Korean soldiers and some National Guardsmen.
Error creating thumbnail: File missing Fitted with an Insight ISM-V sight. Error creating thumbnail: File missing A national guardsman holds his XM8 in the Penthouse level. Howa Type 89F Used by the G-SDF soldiers at the Kokubo Sosho.
Error creating thumbnail: File missing Howa Type 89-F assault rifle with folding stock for Paratroopers - 5.56x45mm. Ruger AC556 Used by the Panamanian guards at the bank.
Error creating thumbnail: File missing Ruger AC556 Carbine - 5.56x45mm. Error creating thumbnail: File missing A guard at the Pervuian bank holds his Ruger AC556 Carbine . Steyr AUG A2 Used by People's Voice revolutionaries.
Error creating thumbnail: File missing An Steyr AUG Special Receiver - 5.56x45mm. The AUG A2 is the military version of this. Error creating thumbnail: File missing A revolutionary passes Sam with his Steyr AUG A2 at the ready. Error creating thumbnail: File missing Here the heavily customized state can be seen very well. XM29 OICW Used by some National Guardsmen, and seen next to the bodies of a few South Korean soldiers.
Error creating thumbnail: File missing Late-model over / under Objective Individual Combat Weapon (OICW) 5.56x45mm & 20mm Error creating thumbnail: File missing A knocked out guardsman lies next to his XM29 OICW . Launchers FN EGLM The launcher attachment mounted on Sam's F2000. Functions more like a FN303.
Error creating thumbnail: File missing FN EGLM, 40mm. Here seen in standalone configuration. Error creating thumbnail: File missing Sam attaches the FN EGLM to his FN 2000 in the Bank level. Shotguns Unknown Shotgun An unidentified shotgun that can be mounted under Sam's F2000.
It appears to be a modified SPAS-12 with the grip and stock removed, as the barrel and fore end bears a strong resemblence to the SPAS-12
Error creating thumbnail: File missing Sam Fisher mounts the Shotgun under his FN 2000 . Machine Guns M60E3 Seen sticking out of a box of weapons in the first mission.
M60E3 machine gun 7.62x51mm NATO Error creating thumbnail: File missing The barrel of a M60E3 can be seen within a crate in the Lighthouse level. Degtyarev RPD Light Machine Gun Used by some North Korean Special Forces.
Error creating thumbnail: File missing RPD Light Machine Gun - 7.62x39mm Heavy weapons M61 Vulcan The M61 Vulcan is seen mounted in the turret of the fictional North Korean IFV's.
Error creating thumbnail: File missing GE M61 Vulcan 20mm Cannon XM312 Used as part of Displace International's automated sentry guns. Seems to have a higher rate of fire than the real one, and does less damage than you would expect from a .50 BMG weapon, killing the player no faster than any other automatic weapon in the game.
Error creating thumbnail: File missing XM312, .50 BMG Grenades The games resident frag grenade.
Error creating thumbnail: File missing M69 training grenade - an inert version of the M67 High-Explosive Fragmentation hand grenade. The real live version has a more brownish color and has painted factory markings on the body. 
