Pistols

Glock 17

Peter Stevens draws a 3rd Generation Glock 17 with a tan frame from the security room helping Ron Portman and Marco Owen defend against the monsters. Ivan Coral Vega attempts to use a hidden Glock 17 to commit suicide. It is also the sidearm of the Venus Gate Corporation and is seen in the hands and holsters of the security officers and New York City police.

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Glock 17 OD Green - 9x19mm

SIG-Sauer P226R

Katherine Turner finds a SIG-Sauer P226R in an abandoned Blackhawk helicopter and turns it on Owen. Owen later takes a holstered SIG from a dead SAS operator and fires it at himself to wake up from ALICE's influence and later destroying a vine apparition. It is also the sidearm of the SAS operators during Operation Sleeping Beauty.

SIG-Sauer P226R - 9x19mm

Shotgun

Remington 870

Owen and Portman find Remington 870s in the security room to fend off the monsters. Owen, Portman, Turner, and Kasumi Ishiki use them throughout the film.

Remington 870 - 12 Gauge

Submachine gun

Heckler & Koch MP5A3

Portman holds a Heckler & Koch MP5A3 on the Blu Ray cover of the movie. Is not present in the actual film.

Heckler & Koch MP5A3 - 9x19mm

Blu Ray Cover

Assault rifles

Colt M4A1 Carbine

Colt M4A1s are seen in the hands of American soldiers patrolling the US-Mexican border and SAS operators during Operation Sleeping Beauty. Owen takes a M4 from a dead SAS operator for himself which is later taken by ALICE mimicking Laura Owen. All of these rifles are fitted with EOTech holographic sights, DBAL-a2 laser modules, and a forward handgrip.

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

Mk. 18 Mod 0

Owen takes a Mk. 18 Mod 0 from the security room and uses it throughout most of the film. Venus Gate security use the rifles as their service arm. All are fitted with EOTech holographic sights and vertical foregrips.