Code Geass: Lelouch of the Re;surrection
The following weapons were used in the anime film Code Geass: Lelouch of the Re;surrection:
C.C. carries a pistol, based on the Mauser C96, during her travels after the events of the Zero Requiem. Another one is used when she pilots the Mahoraba Type-0 with Lelouch Lamperouge.
A flare gun is used by Zilkhistani assassin Swaile Qujappat during an infiltration op.
Kallen Kozuki has a pistol that's based on the hybrid pistol used in Akito the Exiled.
Nambu Type 14
The Nambu Type 14 is seen in the movie with ex-Black Knight leader/Prime Minister Kaname Ohgi when he answers the call to reinforce Lelouch, although he initally decided to use it to commit seppuku. After Lelouch stops him, it's never used again.
Swaile Qujappat's Machine Pistol
Swaile has a machine pistol that has a high-capacity magazine.
Zilkhistani Submachine Gun
Swaile's assassins are armed with a Zilkhistani submachine gun.
Black Knights Assault Rifle
The Kowa-era Black Knights are armed with a bullup assault rifle that's based on the Kel-Tec RFB. Ohgi and Shinichiro Tamaki use them while infiltrating Zilkistan.
Zilkhistani Assault Rifle
A conventional assault rifle is seen with Zilkistani security forces.
An autocannon that looks like the Shipunov 2A42 is seen mounted on a Zilkistani Army armored vehicle.
General Dynamics M197 Vulcan
A General Dynamics M197 Vulcan-based machine gun is seen on a Zilkistani gunship.
Mahoraba Type-0 machine gun
The Mahoraba Type-0 Knightmare has a machine gun module on the left shoulder. It's mainly used for anti-personnel activities.
Wailing Prison Defense Turret
When Lelouch takes control of the prison's automated turret systems, they're used to take out Zilkhistani Royal Guard forces trying to breach it.
A shrapnel grenade is used by Sayoko to wipe out a majority of Swaile's forces when raiding C.C.'s lodging.
Cornelia's Rifle Sword
Cornelia use her rifle sword after she's recruited to the Black Knights.