The Girl Who Kicked the Hornets' Nest (2009)The Girl Who Kicked the Hornets' Nest (2009) - Internet Movie Firearms Database - Guns in Movies, TV and Video GamesThe Girl Who Kicked the Hornets' Nest (2009)
Ronald Niederman (Micke Spreitz) is seen taking a SIG-Sauer P226 from a police officer he knocked out. SÄPO officer Monica Figuerola (Mirja Turestadt) is also seen with one during the raid on the Section's headquarters, this is a continuity error as she's earlier seen with the smaller P225.
Continuity error
There's a scene when Ronald Niederman tries to kill Lisbeth Salander at the hospital by walking up to her window with his gun, supposedly the P226 he took from the police officer earlier, but during this scene its clearly a SIG-Sauer P228 based on its over all length and rounded triggerguard.
Walther PP
Evert Gullberg (Hans Alfredson) takes a Walther PP to the hospital and uses it to kill Alexander Zalachenko (Georgi Staykov) before committing suicide after failing to kill Lisbeth Salander (Noomi Rapace). The gun in the book was described as a "Smith & Wesson 9mm with a gold plated butt".
SIG-Sauer P225
SÄPO officer Monica Figuerola (Mirja Turestadt) carries a SIG-Sauer P225 as her sidearm. Detective Sonja Modig (Tanja Lorentzon) is also seen carrying one.
Heckler & Koch MP5A2
A police officer outside the courthouse is seen with a Heckler & Koch MP5A2 fitted with an Aimpoint sight, Surefire forend and double magazines when Dr. Peter Teleborian is arrested for possession of child pornography.
Heckler & Koch MP5A5
Some police officers guarding the courthouse carry Heckler & Koch MP5A5 submachine guns fitted with Aimpoint sights and Surefire forends. A SÄPO raid team are seen using them as well when they raid the Section's headquarters.
Sa. Vz.61 Skorpion
One of the Nikolic brothers uses a SA Vz.61 Skorpion with the stock extended and an extended barrel in the the attempted hit on Mikael Blomkvist (Michael Nyqvist) at Samir's Gryta. In the book, the gun used in the hit was a Carl Gustav M/45.
Franchi SPAS-12
When members of the Svavelsjo Motorcycle Club go to kill Niedermann, one of them carries a Franchi SPAS-12 with the stock folded.
M16A1
When members of the Svavelsjo Motorcycle Club go to kill Niedermann, several of them carry what may be M16A1 assault rifles.
AK-47/Type 56
One of the gang members who goes to kill Niedermann carries what appears to be an AK-47 type rifle, possibly the Chinese Type 56.
Pneumatic Nail gun
While not really a firearm, Lisbeth uses it on Niedermann during their fight at the end of the movie, so I added some pictures for completeness.