The Browning Hi-Power is used by Jonathan "Jonah" Mar after he's recruited into HCLI to work under Koko as his primary sidearm.
Colt XSE
The Colt XSE was briefly used by Jonah when Koko tells him to use it during her meeting with freelance arms dealer C.K. Kloshkin near the end of "Gun Metal, Calico Road".
Glock 17
The Glock 17 is used in the season with various characters.
Heckler & Koch Mark 23
The Heckler & Koch Mark 23 is used by Lehmbrick aka Lehm as his personal sidearm in the season.
SIG-Sauer GSR
Karen Lo uses dual stainless SIG-Sauer GSRs as her main sidearm, first seen in "African Golden Butterflies, Part 1", equipped with pistol bayonets attached underneath the barrel via picatinny railing.
Submachine Guns
Heckler & Koch MP5A4
The Heckler & Koch MP5A4 is seen in the season with various characters.
Assault Rifles
AKM
An AKM is seen with Jonah in a flashback sequence in "Gun Metal, Calico Road".
FN FNC Paratrooper
A FN FNC Paratrooper is used by Jonah as his primary assault rifle in the season.
Heckler & Koch G36KV
A Heckler & Koch G36KV is used by Mao as his primary assault rifle in the season.
Steyr AUG
The Steyr AUG is sometimes used by Koko's HCLI team when in the field.
Sniper Rifles
Remington 700PSS
Lehm is seen firing a Remington 700PSS in the OP sequence, "Borderland". He uses it as his main sniper rifle when he's in the field.
Machine Guns
FN Minimi Para
A FN Minimi Para is used by Valmet when fire support is needed.
Gryazev-Shipunov GSh-301
The Gryazev-Shipunov GSh-301 is in "Gun Metal, Calico Road" with a MiG-29.
[[File:JormungandE01 04.jpg|thumb|none|600px|A MiG-29 parked on a runway in "Gun Metal, Calico Road".
M61 Vulcan
The M61 Vulcan is seen mounted on a F-22 in a flashback sequence in in "Gun Metal, Calico Road".