The following weapons were used in the film Boris Godunov:
Wheellock Pistol
Gavrila Pushkin (Yuri Lazarev) carry Wheellock Pistol on the belt. Another Wheellock Pistol can be seen in the Pyotr Basmanov's camp.
Charleville Musket
German mercenaries were armed with the heavy anachronistic Charleville Muskets.
Doglock Musket
The musket can be seen on the ground after battle. Due the stock shape and frizzen it's could be ID as Doglock Musket.
Percussion Carbines
Russian soldiers and several German mercenaries were armed with the heavy anachronistic percussion carbines.
Unknown Rifle
At least one Russian soldier holds an unknown bolt action or breach loaded rifle.
Unknown Musket
An unknown musket can be seen in the Pyotr Basmanov's camp.
Cannon
Polish and Russian soldiers fires cannons.