King of Thorn
The following firearms are used in the anime film King of Thorn:
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.
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.
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.
Heckler & Koch MP5A3
Portman holds a Heckler & Koch MP5A3 on the Blu Ray cover of the movie. Is not present in the actual film.
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.
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.
Russian soldiers are seen in action with AKS-74Us during the expedition to the origin of MEDUSA led by Vega.
GE M134 Minigun
Miniguns are seen mounted on a "futurised" Blackhawk helicopter.
Browning M2s are mounted on US HMMWVs guarding the US-Mexican border from refugees fleeing MEDUSA.