Beretta 92FS handguns are seen in the hands of Bakersfield Police officers. Marco carries one in the opening, and Cataleya Restrepo (Zoe Saldana) uses one during the end battle.
Beretta Px4 Storm
Cataleya's personal pistol is a Beretta Px4 Storm, sometimes fitted with a suppressor.
US Marshals are seen with the Glock 17, and Cataleya takes one from a Marshal.
SIG-Sauer P226
A thug carries a SIG-Sauer P226 when Cataleya's parents are killed. Mr. Restrepo and several US Marshalls carry them as well.
Desert Eagle
Bondyguards carry .50AE Desert Eagles of unknown Mark during the Mexico hit. The target picks up a pair of them, only to discover that the ever-ready Cataleya had emptied them.
Gunmen in the film's opening carry the Mini Uzi, and Cataleya later dual-wields them in the final shootout.
Heckler & Koch UMP
FBI agents are seen with UMP45s during the raid on Cataleya's appartment, and she pulls a UMP45 from a storage locker before the final battle.
Romanian AK Draco Carbine
An AK pistol/carbine is seen on a table just prior to the final shootout.
Assault rifles
M4A1 Carbine
FBI SWAT officers and Cataleya are seen with M4A1 Carbines. The SWAT officers' M4s are fitted with foregrips, weaponslights, and various dot sights, while Cataleya's M4 has no rear sights or optics at all.
M16A2 Rifle
Columbian guards and US Marines at the embassy carry the M16A2 rifle.
SIG SG 551
Cateleya uses the SIG SG 551 fitted with a quad rail, foregrip, and Aimpoint sight as her primary weapon during the final shootout.
SIG SG 552
A thug is briefly seen with a SIG SG 552 during the final shootout.
Colt Model 727
Mrs. Restrepo carries a Colt Model 727 in the shootout that sparks the main plot.
Heckler & Koch G36C
FBI SWAT officers are seen with G36Cs fitted with ACOG scopes when they raid Cataleya's apartment.Cateleya pulls a pair of G36Cs from her arms locker while gearing up for the final shootout.
Heckler & Koch HK51
An FBI officer is very briefly seen with a Heckler & Koch HK51 while searching the garage
FN FNC
A bodyguard is seen with an FN FNC early in the film.
Galil SAR
Several thugs are seen with Galil SAR rifles during the final shootout.
Shotguns
Mossberg 500 Cruiser
Cataleya's father carries a Mossberg 500 Cruisers during the shootout that kills her parents. A thug in the final battle carries one as well.
A US Marshal and a gunman in the final shootout carry unidentified shotguns.
Sniper Rifles
Blaser R93 Sniper Rifle
Cataleya retrieves a Blaser R93 when her apartment is raided and later uses it as a long-range interrogation method.
Other
M249 Paratrooper SAW
A guard in the final shootout carries a M249 Para.
Unknown frag grenade
The SAW gunner hands a black-painted grenade with yellow writing off to a teammate during the final shootout. Similar to the hand grenades seen in X2: X-Men United and Dark Angel, the grenade resembles a stun or smoke grenade, thought it is treated as a super-powerful high explosive grenade.