The following weapons were used in the film Man Down:
US Marines can be seen carrying M4A1 carbines in the film, notably by Gabriel Drummer (Shia LaBeouf).
M4A1 with M68 Aimpoint red dot scope and RIS foregrip 5.56x45mm
M16A2 rifles are carried by Marines during training.
US Marines armed with the M16A2 train on the beach.
Heckler & Koch M27 IAR
What appears to be a M27 Infantry Automatic Rifle rifle is carried by Devin Roberts (Jai Courtney) while in Iraq.
Heckler & Koch M27 IAR in USMC configuration with bipod, vertical foregrip, and Trijicon SU-258/PVQ Squad Day Optic - 5.56x45mm NATO
The Beretta 92FS is the pistol carried by Gabriel Drummer (Shia LaBeouf) while searching the city for his family.
Gabriel pulls his Beretta.
Devin Roberts (Jai Courtney)is briefly seen with an M1911A1.
Commercial Colt M1911A1 - .45 ACP
Browning M2HB Heavy Machine Gun
The Browning M2HB heavy machine gun also can be seen mounted on US humvees.
The Browning M2HB
heavy machine gun is fired from the Marine humvee.