Body of Lies

Handguns

M1911

Seen in the first desert fight in the hands of Ferris's partner briefly.

Glock 19

Farris (Leonardo Dicaprio) uses this as his sidearm in the desert and throughout the rest of the film.

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Glock 19 (1st Generation) - 9x19mm

Ferris uses the Glock 19 in the desert as his sidearm - 9mm

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Heckler & Koch USP Compact

DiCaprio loads a HK USP Compact in his car. It is a deleted scene. It was in the first teaser but not in the final version of the movie.

Submachine guns

Heckler & Koch MP5

The British SWAT team are carrying A3 models with tactical flashlights and red dot sights. Some are seen with the Navy trigger group.

Heckler & Koch MP5A3 9mm

In a high contrast shot from the Trailer, we can see H&K MP5s - 9mm

Skorpion SA Vz 61

Farris uses this weapon during the desert shootout scene in the beginning of the movie with a 20 round magazine. In the scene were Farris fires his weapon once, in the city, but it sounded suppressed without a suppressor fitted.

Skorpion SA Vz 61 - .32 ACP

Heckler & Koch MP5K

Seen used by Hani's men at the end of the movie very briefly.

MP5K-PDW with extended barrel (with 3 lugs & folding stock

Rifles

Heckler & Koch G36

Seen briefly in the opening scene where a British SWAT team moves into a building where a terrorist is making a bomb. They have RIS rails on the top of the receiver and have EOtech Holographic sights mounted and flashlights mounted to the side of the barrel. Because the rest of the barrels weren't exposed to light, it is hard to tell if they were full size G36 or Ks.

Heckler & Koch G36K with Rail top - 5.56mm

British SWAT team moves into position. H&K G36 rifles are clearly visible - 5.56mm

Heckler & Koch G36C

Agent Roger Ferris (Leonardo DiCaprio) uses this rifle when he was being chased in the desert. It was fitted with the dual optics carrying handle.

Heckler & Koch G36C 5.56mm

Ferris (Leonardo DiCaprio) fires his G36C at pursuing terrorists

M14

Used during the desert scene to cover Farris' entrance to the safehouse. It has a synthetic furniture instead of wood.

M14 rifle - 7.62x51mm NATO

M16A2

Seen briefly at a border station.

M4A1

M4s were seen the scenes of battle in Iraq, we see US soldiers fighting with M4s, one of them has an EOtech sight, but it was put on backwards. An M4 was also briefly seen in the opening scene in the hands of one of the British SWAT member.

Note the EOTech sight on backwards!

AK-47

Seen carried by terrorists.

Terrorist carries an AK-47 rifle when capturing Roger Ferris (Leonardo DiCaprio) - 7.62x39mm

AK-74U

In the hands of terrorists.

Remington 700

A possible Remington 700 rifle was seen in the beginning scene in UK on the roof.

Machine guns

FN MAG

Seen mounted on the doors of helicopter gunships that came to save Farris.

M240G 7.62x51mm NATO - USMC style with no heat shield.

Helicopter crews have FN-MAG 58 machine guns mounted as door gunners - 7.62x51mm

M240 SAW

Seen in the scene in the battle persumably in Iraq, briefly.

Unknown Machinegun

Seen in the opening terriorts video briefly.

Other

RPG-7

Terrorists uses it during the desert chase, trying to kill Agent Roger Ferris and then trying to down an attack helicopter.

Terrorist fires an RPG-7 at a helicopter. It looks like the rocket head is the V model or later variant.