Iron Man 2

The following weapons are used in the film Iron Man 2:

Iron Man 2 (opens May 7, 2010)

The War Machine suit worn by Col. Rhodes (Don Cheadle) is outfitted with several weapons including:

M134 Minigun

The M134 Minigun is seen shoulder-mounted on the War Machine suit.

Dillon Aero M134 with flash suppressor - 7.62x51mm. These are new model M134 Miniguns or just updated GE Miniguns which are usually seen with a different spade grip mount that were used during the Vietnam War.

Claridge Hi-Tec

The Claridge Hi-Tec semi-automatic pistol is another weapon mounted on War Machine.

Claridge Hi-Tec S9 pistol.

FN F2000

The FN 2000 assault rifle is also mounted on War Machine. Referred to as the FN 2000 by Hammer (Sam Rockwell).

File:Fn f2000 1.jpg

FN F2000.

M26 MASS (Modular Acessory Shotgun System)

The M26 Modular Acessory Shotgun System is also one of the weapons on War Machine, referred to as M24 Shotgun by Hammer (Sam Rockwell).

M26 MASS 12 gauge mounted on M4A1 carbine 5.56x45mm

Milkor MGL

The Milkor MGL is another weapon of War Machine.

seen on the weapons table then attached to the War Machine armour 40x46mm.

Heckler & Koch USP

Natasha Romanoff (Scarlett Johansson) carries a Heckler & Koch USP which she wields it along another weapon (akimbo) when she goes to Hammer Industries, she gets it from a guard after disarming him.

Heckler & Koch USP 9x19mm

Walther PPK

Natasha Romanoff wields this weapon along with the USP at Hammer Industries, I am not sure if this is the other weapon.

Walther PPK .32 ACP

M4A1 Carbine

Carried by US army soldiers with flashlights, foregrips, and sights, most notably when Lieutenant Coronel Rhodes arrives at the base half-way through the film.

Colt M4A1 Carbine with M68 Aimpoint reflex optic and Knight's Armament RAS railed handguard and vertical forward grip - 5.56x45mm