The SIG-Sauer P226 is the preferred sidearm of Red Troop and is used throughout the series. It is frequently seen holstered whenever the team are wearing their counter terrorist gear, but is normally only used for undercover work.
Beretta 92FS
A number of Beretta 92FS pistols are used by the Italian security guards at the embasy in "The Class of 1980" (Episode 3.3).
Beretta 92
In "Class of 1980" (Episode 3.3) one of the terrorists (San Shella), uses what appears to be an original Beretta 92 for most of the episode. Oddly this particular pistol is fitted with a slide which is thinner at the front than the back and different grip plates, features which do not appear on the majority of Beretta 92s.
"Pre-B" CZ 75
Several of the Chechens in ([[Weapon of choice" carry "Pre-B" CZ 75s.
Makarov PM
One of the Chechens in the armed crows uses a Makarov PM in "Weapon of Choice" (Episode 3.4).
CZ 75B
The Spetsnaz officer Vasily (Peter Sullivan) carries CZ 75B in "Weapon of Choice" (Episode 3.4).
SIG-Sauer P228
A SIG-Sauer P228 can briely be seen being used by Hector Du Preez (Ian Duncan) in "Never Go Home" (Episode 3.2).
A Glock 19 is carried by the former British officer Alan (Jalaal Hartley) "Deadlier Than the Male" (Episode 3.1).
Umarex GPDA
Several of the terrorists in "Deadlier than the Male" (Episode 3.1) carry Umarex GPDA blank firing pistols that stand in for Browning BDAs. They can be recognised as GPDAs by their slide markings, which are visible in some shots, and the shape of the safety catch.
CZ 75 Automatic
In "Never Go Back" (Episode 3.2) several characters use a CZ 75 Automatic shown with a ported barrel.
Bruni Automatic 8mm CAL (M1911 Blank firing gun)
In Episode 3.2, "Never Go Back", the leader of the Zimbabwean "Fire Brigade" carries a Bruni Automatic 8mm CAL pistol (which is a theatrical blank firing only replica gun). The character may carry a real M1911 in other shots, but in this particular shot, he is aiming it at a child actor, so the blocked barreled replica M1911 is used.
Submachine Guns
Heckler & Koch MP5A3
The standard-issue weapons for the SAS unit Red Troop in the TV show are Heckler & Koch MP5A3 submachine guns, which are always seen with Surefire fore ends and tactical flashlights as well as the SEF-style lower receiver. These weapons are typically used in Red Troop's domestic hostage rescue missions.
The other SAS unit, Blue Troop, also use identical weapons, as do many Metropolitan Police SO19 (now CO19) officers throughout the show.
Mini Uzi
The Mini Uzi machine pistol appears in several episodes.
SA Vz.61 Skorpion
The Tibetan nationalists can be seen with Vz 61 Skorpion SA machine pistols in Episode 3.1, "Deadlier Than The Male".
Calico M960A
In Episode 3.2, "Never Go Back", Becca takes a Calico M960A from the stash of weapons and looks it over, though she winds up using a Steyr AUG on the mission.
MAC-10
The Al Qaeda terrorists in Episode 3.3, "Class of 1980", use many MAC-10 machine pistols.
Heckler & Koch MP5SFA3
In "Class of 1980", a number of characters can be seen using what appears to be a Heckler & Koch MP5SFA3, the semi automatic only version of the MP5 used by, among others, the British police.
Steyr TMP
The Al Qaeda terrorists in "Class of 1980" also use a couple Steyr TMP Submachine guns.
CAR-15s are used commonly by the SAS in the show, almost always fitted with a Cobray CM203 grenade launcher. The "Stowaway" pistol grip and the areas of black tape covering logos on the lower receiver suggest that this weapon is built from an Olympic Arms rifle, most likely a K3B.
Colt AR-15 Sporter-1
The M16A1 carried by Dempsey (Miles Anderson) in "Never Go Home" (Episode 3.2) changes to a Colt AR-15 Sporter-1 for firing scenes, as noted by its slab sided receiver.
AKM
AKMs are a common weapon used by terrorists on the show.
M16A1
M16A1s are commonly used by the SAS in the show, normally fitted with a Cobray CM203.
Zastava M70AB2
Zastava M70AB2s are commonly used by terrorists, and have also been used by the Russian army and the SAS operating undercover.
Colt Model 723
Sergeant Sean Smith (Derek Horne) can briefly be seen carrying what appears to be a Colt Model 723 during a run at the start of "Never Go Home" (Episode 3.2).
AK-74 (Mocked up)
Heckler & Koch G36C
One of the weapons in the arms stash in Episode 3.2, "Never Go Back" is a Heckler & Koch G36C which is briefly handled but never used.
Steyr AUG
In Episode 3.2, "Never Go Back", Becca and Dave both used Steyr AUG A1 rifles.
F88 Austeyr
Heckler & Koch G3A3
Heckler & Koch G3A4
Sniper Rifles
Accuracy International L96A1
Whenever Red Troop requires sniper support, the snipers are typically armed with Accuracy International L96A1 rifles in 7.62x51mm NATO.
Unknown Heckler & Koch G3 Sniper Variant
Unknown Sniper Rifle 1
Unknown Accuracy International Variant
Unknown Sniper Rifle 2
Machine Guns
FN Minimi
Red Troop is frequently seen using the FN Minimi for support during missions overseas.
L7 GPMG
RPD
Seen in season 4 episode 1, "Changing of the Guard"
Browning M1919
Seen in "Weapon of Choice", season 3 episode 4. In the same episode at the beginning, it was mounted on a "Russian tank".
PKM
Seen in "Never go Back", season 3 episode 2.
Shotguns
Sawed off double barrel shotgun
Seen in the first episode of the series, "Killing House", one of the bank robbers had this weapon.
In the Episode Natural Selection, the rogue paratrooper that tried to prevent Candidates from finishing SAS Selection used this to fight and injure other Paratroops.
Double Barrel Shotgun
Caroline is seen with a full length version of this in episode 2 of season 1 "Just a Target."
Franchi SPAS-12
Armsel Protecta
Henno (Ross Kemp) uses an Armsel Protecta with a 7" barrel in Episode 3.2, "Never Go Back", where it is depicted as a multi-shot grenade launcher.
Winchester Ranger Model 120
A sawed off Winchester Ranger Model 120 is seen in season 3, episode 3, "Class of 1980" in the hands of terrorists.
Heavy Weapons
Cobray CM203
Red Troop's M16s and CAR-15s are often fitted with what appear to be M203 grenade launchers. However, a close inspection of the receivers reveals that they are actually the look-a-like Cobray CM203 37mm launchers which are often used to substitute for the M203 in many films and TV shows.
RPG
Seen throughout the series.
LAW 80
Or more like a mock up of this weapon seen in episode 4.4 "Violent Solutions"