Central Police Strategic Firearms Command officers carry the Glock 17 as their sidearm, including Sgt. Danny Waldron (Daniel Mays), PC Rod Kennedy (Will Mellor), PC Hairnderpal "Hari" Bains (Arsher Ali), PC Jackie Brickford (Leanne Best) and DC Kate Fleming (Vicky McClure) whilst undercover as PC Kate Francis. DI Matthew "Dot" Cottan (Craig Parkinson) also uses one frequently throughout the series. *The weapons used in production seem to fluctuate between replicas and blank firers, with the blank firers indicated by additional slide markings*.
Glock 22
Detective Sergeant Steve Arnott (Martin Compston) briefly arms himself with a Glock 22 at attend the funeral of Sergeant Danny Waldron (Daniel Mays). It is likely that the weapon was intended by the production to stand in for the regular Glock 17 used by other officers throughout the series.
Colt M1911
Ronan Murphy (Shane Gately) carries an M1911 pistol, which he surrenders without firing. Sgt. Danny Waldron (Daniel Mays) later uses it to fire rounds into a wall to make it appear he and the team were fired on first.
Revolvers
Webley Mk IV
Sgt. Danny Waldron (Daniel Mays) finds an illegal Webley Mk IV revolver with a damaged grip during a raid, which he steals and later uses to exact personal revenge.
Submachine Guns
Heckler & Koch MP5A3
Several Heckler & Koch MP5A3s are seen in the police armoury at South Ferry Police Station.
Micro Uzi
One of the men who collects DI Matthew "Dot" Cottan (Craig Parkinson) after his escape from police headquarters carries a Micro Uzi. He later uses it to try and shoot DC Kate Fleming (Vicky McClure), but is unable to when Cottan steps in front of her.
Assault Rifles
Heckler & Koch G36C
Central Police Strategic Firearms Command officers carry the Heckler & Koch G36C as their main weapon. This includes Sgt. Danny Waldron (Daniel Mays), PC Rod Kennedy (Will Mellor), PC Hairnderpal "Hari" Bains (Arsher Ali), PC Jackie Brickford (Leanne Best) and DC Kate Fleming (Vicky McClure) whilst undercover as PC Kate Francis.
Others
X26 Taser
Central Police Strategic Firearms Command officers carry the X26 Taser as a non lethal weapon throughout the series. They remain holstered throughout and are never drawn.