James 'Jim' Worth (Tim Roth) carries a a stainless Jericho 941 throughout the series, first purchasing it in "Homecoming". It replaces the police issue Beretta 92FS he carried whilst working in Canada.
SIG-Sauer P228
Angela Worth (Genevieve O'Reilly) carries a SIG-Sauer P228 as her weapon of choice throughout the season, first purchasing it in "Homecoming".
SIG-Sauer P226
Chief Constable Catherine Mackenzie (Tanya Moodie) is seen carrying a SIG-Sauer P226 as her personal weapon in "Homecoming" and "Loves Young Dream". Due to police in the United Kingdom not regularly carrying firearms, it is implied it is an illegal weapon she is using.
Glock 17
Jim Worth (Tim Roth) is seen carrying a Glock 17 in a flashback to 1999 in "Homecoming". The pistol is also carried by Detective Inspector Sara Lunt (Kerrie Hayes) and other Authorised Firearms Officers with Greater Merseyside Police throughout the season. Chief Constable Catherine Mackenzie (Tanya Moodie) uses one in "Collateral".
Glock 19
Anna Worth (Abigail Lawrie) carries a Glock 19 as her weapon throughout the season, first purchasing it in "Homecoming".
Benji (Nicolas Wang), an enforcer working for Michael Ryan (Ian Hart), carries a CZ 75 "Pre B" as his weapon in "Homecoming". Georgia 'George' Simmons (Neve McIntosh) also carries one in "Loves Young Dream".
Beretta 92FS Inox
Michael Ryan (Ian Hart) briefly handles a Beretta 92FS Inox in the flashback to 1999 in "Homecoming", before giving it to his son Danny Ryan (Jonny Lavelle) to use.
Beretta 92FS
A Beretta 92FS is one of the many firearms offered for sale by Mary James (Joanne Whalley) to the Worth's in "Homecoming".
Makarov PM
A Makarov PM is one of the many firearms offered for sale by Mary James (Joanne Whalley) to the Worth's in "Homecoming".
Luger P08
A Luger P08 is one of the many firearms offered for sale by Mary James (Joanne Whalley) to the Worth's in "Homecoming".
Smith & Wesson 4006
A Smith & Wesson 4006 is one of the many firearms offered for sale by Mary James (Joanne Whalley) to the Worth's in "Homecoming". A hitman also uses one in "Collateral".
Browning Hi-Power
A Browning Hi-Power is one of the many firearms offered for sale by Mary James (Joanne Whalley) to the Worth's in "Homecoming".
Tokarev TT-33
A Tokarev TT-33 is one of the many firearms offered for sale by Mary James (Joanne Whalley) to the Worth's in "Homecoming".
CZ 27
What appears to be a CZ 27 is one of the many firearms offered for sale by Mary James (Joanne Whalley) to the Worth's in "Homecoming".
Revolvers
Unknown Revolver
An unknown revolver (possible a Smith & Wesson variant) is one of the many firearms offered for sale by Mary James (Joanne Whalley) to the Worth's in "Homecoming".