Assassin's Creed medias that are not eligible yet still have guns

Assassin's Creed (2016)

MP5A3 - 9x19mm Parabellum.

The barrel of the MP5A3 visible in the hands of a Templar agent

Used by Red Army officers.

Nagant M1895 Revolver - 7.62x38R Nagant.

A modified air rifle based on the Berdan Rifle is used by the protagonist Nikolai Orelov. Unmodified Berdans are used by Red Army veterans.

Russian Berdan No.2 (M1870) Infantry rifle - 10.75x58mm R

Used by Red Army soldiers.

Mosin Nagant M1891 Infantry Rifle, 1st configuration - 7.62x54mm R