Miroslav Gradic (Karel Roden) can be seen dual wielding what appears to be dual CZ 75Bs mounted with suppressed and uses them to take out British soldiers in "Legitimate Targets" (S02E01).
SIG-Sauer P226
A terrorist is seen holding a SIG-Sauer P226 in "Nest of Angels" (S02E02). The weapon is later taken and used by Ibhn Khaldun (Alexander Siddig) to take out one of them.
Beretta 92FS
Another terrorist can be seen wielding a Beretta 92FS in "Nest of Angels" (S02E02). He manages to fire off one shot before being gunned down.
In "Hackers" (S02E03), Zoe Reynolds (Keeley Hawes) is seen showing off a holstered Glock 17.
Stechkin APS
Members of the Russian Mafia can be seen wielding and threatening a hostage with a Stechkin APS in "Blood and Money" (S02E04).
Makarov PM
Maxim Baxter (Julie Cox) can be seen checking and chambering a Makarov PM in "Blood and Money" (S02E04).
Sub Machine Guns
Heckler & Koch MP5A3
In "Nest of Angels" (S02E02), authorized firearms officers are seen armed with Heckler & Koch MP5A3s, being used against Muhammed Ibhn Khaldun (Alexander Siddig). "Special Forces" team members are also seen with them while Ruth is listing possible threats for the week in "I Spy Apocalypse" (S02E05).
Assault Rifles
Norinco Type 56-1
Members of Gradic's group are seen armed with Norinco Type 56-1s in in "Legitimate Targets" (S02E01).
Enfield L85A1
British Army soldiers are seen standing guard with Enfield L85A1s in "Legitimate Targets" (S02E01).
AKS-74
While Ruth is listing possible threats for the week in "I Spy Apocalypse" (S02E05), members of a suspected Animal Rights Group are seen training in a forest, one of whom uses, what appears to be, an AKS-74.
Shotguns
12 Gauge Double Barreled Shotgun
While Ruth is listing possible threats for the week in "I Spy Apocalypse" (S02E05), members of a suspected Animal Rights Group are seen training in a forest, one of whom uses a 12 Gauge Double Barreled Shotgun.