The standard issue sidearm for Section 1 in most episodes of season 1. Replaced by the Berreta 92 onyx in season 2.
Beretta 92FS
Blue 92s are used both with and without silencers or laser sights, throughout the show.
Beretta Inox
The Inox is used by Section 1 through out the series, becoming standard issue in the second season.
2 different silencers are used, a believable one in the first season and a ridiculously small one after that.
Fake Berreta
Flash paper versions of the onyx are used frequently after season 2, with alot of close up shots. Used ridicously, since the bad guys are using real blank firing guns.
Sig 220
Both the european and american version are shown
Glock 17
Glock 26
Operation's CCW.
Occasionally used by Nikita
Fake PPK
Blank firing copy of the PPK, with a 1911 style trigger.
Unknown revolver
Season 1 Episode 2
Unknown pistol
Season 1 Episode 2
Desert Eagle
Blued and stainless, sometimes with a silencer and laser sight
Browning BDA
Fake S&W 4506
CZ 52
Mik Stopples pistol
Walther P38
Sobas pistol
Submachine guns
H&K MP5
Primary SMG for most operatives.
H&K MP5SD
MP5SD5 used when the mission calls for a little stealth.
Most MP5SDs in the show are actually UHC airsoft guns, you can tell by the molded finger swell on the fore grip.
H&K SP89
Shown in the opening credits
Mac 10
Season 1, Episode 8 uses a toy squirt gun as a stand in. Really noticable.
Uzi
Sometimes depicted with Sonics noise suppresor
Mini Uzi
Micro Uzi
Shown with red dot scope
Walther MPL
USed in season 2 by holographic enemy in the training simulator
CZ Skorpion
Tommy Gun
MP40
Seen breifly but not fired.
Sterling SMG
Assault Rifles
M16
M16A1 Carbine
Has forward assist and no case deflector
XM177
Add image
Colt Commando
G3
AKS 47
used mostly by the enemy and third world government agents.
AKM
Steyr AUG
Nikita showing the recruits the AUG.
Recruit demonstrates his 'skill' with the weapon, having played first person shooter his whole life.
SA 80
Machineguns
M60
Mounted on a pintelin the back of a jeep
Rocket Launchers
M72 LAW
AT4 (M136)
The AT4 is shown relatively few times throughout the series, most notably in Episode 2, in the hands of a Legion assassin trying to take out a privat jet.