xXx: State of the Union is the 2005 sequel to 2003's xXx. The film was directed by Lee Tamahori (Die Another Day) and stars Ice Cube as the "new" xXx agent. The film was released internationally under the title xXx 2: The Next Level.
The following firearms were used in the film xXx: State of the Union:
Smith & Wesson Performance Center Model 629 (Customized)
When Darius Stone (Ice Cube) breaks into the xXx headquarters, he is armed with the exact same modified Smith & Wesson Model 629 that was used by Xander Cage (Vin Diesel) in the first XXX. Agent Toby Lee Shavers (Michael Roof) can also be seen with it during the raid on the NSA compound before he and Gibbons make their escape using the GTO from the previous film.
Beretta 92F Vertec 1A
This is Darius Stone's sidearm for most of the movie. The Vertec 1A has an Elite II slide, but a perfectly vertical grip and front of trigger guard of vertec Series
Mk 46 Mod 0
The SOCOM version of the M249 is the weapon used by Darius Stone (Ice Cube) in the Capitol attack scene; it is later traded to Augustus Gibbons (Samuel L. Jackson) when Darius picks up an XM8 with an M203. It is fitted with a C-More red dot sight and tactical light under the barrel.
MP5A2/A3
Used by NSA agents and SWAT officers
M16A2
The M16A2 assault rifle can be seen in the hands of the U.S. Army soldiers and Marines throughout the movie.
M4A1
The M4A1 carbine is used by many of the NSA security forces throughout the movie, most fitted with Surefire M500AB forearm weaponlights and is later carried by Agent Kyle Steele (Scott Speedman) during the scene at the Capitol, fitted with the aforementioned weaponlight and a Leupold CQ/T scope. The S.W.A.T. team sent to take down Stone at the mansion are also armed with M4A1s.
(Fake) Heckler & Koch XM8
General George Deckart (Willem Dafoe)'s soldiers are seen using Heckler & Koch XM8 rifles throughout the movie, which are actually heavily modified G36Ks made to look like XM8s. Some are seen with underbarrel M203 grenade launchers. One of these weapons is acquired by Darius during the scene at the Capitol.
Heckler & Koch USP Compact Tactical
General Deckart's right-hand man, Lt. Colonel Alabama Cobb (John G. Connolly), carries a Heckler & Koch USP Compact Tactical throughout the movie. Later in the film, Cobb gives this weapon to Deckart on the Presidential Bullet Train, and he uses it in the movie's finale.
Colt XSE M1911
Agent Augustus Gibbons (Samuel L. Jackson) has a customized Stainless Colt XSE M1911 pistol, which he loses and Darius finds on the floor of the mansion.
M203
The M203 grenade launcher is seen mounted on the XM8 rifles. Darius Stone Ice Cube is later seen using this weapon on the Bullet Train. The M203 is modified with a handle so it it can be used as a stand alone weapon.
SIG-Sauer P226R
SIG-Sauer P226Rs fitted with rail-mounted weaponlights are used by the NSA agents in the movie, including Kyle Steele. Also used by the cops trying to stop Toby at the bridge after Stone's attack on the NSA base.
M242 Bushmaster Chaingun
While onboard the aircraft carrier, Darius comandeers an M2 Bradley armored personnel carrier with an M242 Bushmaster chaingun as its' primary armament, though Darius never fires it or any of the Bradley's other weapons.