The following weapons were used in the film Springfield Rifle:
Springfield 1873 "Trapdoor" Carbine
The Springfield 1873 "Trapdoor" Carbine is the film's title rifle. The rifle would be anachronistic since the film takes place during the Civil War, but it's explained that this is supposed to be an experimental rifle.
Remington Revolver (mocked up Single Action Army)
Several character wield what are supposed to be Remington 1858 New Army revolvers, but in reality appear to be Colt Single Action Army revolvers with a mock cylinder rod to make it resemble the Remington.
Enfield Pattern 1853
The Enfield Pattern 1853 is the rifle carried by Union troops.