The following firearms are used in the anime series Rideback:
Walther P99 Compact
A suppressed Walther P99 Compact is used by Okakura. Two GGP agents also carry P99Cs.
Okakura can be seen using what appears to be a Browning Hi-Power when he and Rin encounter the Grimoires.
Keifer's weapon of choice throughout the series is a SIG-Sauer P226 with a nickel finish. The weapon is not always consistent, as it is usually shown as having a tactical rail, but inexplicably does not in one shot.
A BMA leader tosses Okakura a H&K P7M8.
Glock 17 (Gen 1 or 2)
A GGP officer carries either a 1st or 2nd generation Glock 17.
Glock 17 (Gen 3)
Romanov Karenbach uses a 3rd generation Glock 17 during the final episode.
The most prolific weapon in the series is the Heckler & Koch MP5K
The standard assault rifle issued to GGP forces is the Heckler & Koch XM8 rifle. The variants seen are equipped with longer barrels similar to those seen on the sharpshooter variant of the XM8.
A single BMA terrorist is briefly seen firing an AK-47 during the GGP's assault on a BMA hideout.
Several U.S. soldiers are seen using M16A1s during the battle at the Arizona ICBM complex.
Multiple BMA terrorists can be seen with H&K G36E rifles.
An M60 machine gun is seen being used for suppressive fire by BMA members.
GGP HUMVEEs are seen outfitted with Browning M2 machine guns.
Heckler & Koch HK69
Both the GGP and BMA forces make frequent use of the HK69 Grenade Launcher.
Drum-Fed HK69 Launcher
Several BMA Ridebacks are seen utilizing what appears to be a multishot shotgun/grenade launcher based on the HK69A1, but fed from a large drum magazine.
A BMA terrorist is seen firing an RPG-7 during a GGP assault.
The BMA's leader, Keifer, makes use of an FIM-92A Stinger while on his Rideback.
During the final battle, several BMA Ridebacks are seen utilizing a variety of missile pods, including M202 FLASH quad launchers.
The larger missile pods in the same shot are quad box launchers for the MIM-104 Patriot SAM system.