The following weapons were used in the film The Ruins:
Colt Single Action Army
Lead Mayan (Sergio Calderón) carries the Colt Single Action Army revolver in his holster and uses it several times.
Colt Single Action Army with 7.5" barrel known as the "Cavalry" model - .45 Long Colt
Lead Mayan holds his SAA.
Lead Mayan points his SAA.
Winchester Model 1873
Two Mayan riflemen (Luis Antonio Ramos and Walter Quispe) use the Winchester Model 1873 rifle with a short magazine tube, but all shots of it were very blurred due to movement.
Winchester Model 1873 with short magazine tube - .44/40 Winchester
Mayan Rifleman holds his rifle.
The rifle in the background.
Mayan Rifleman points his rifle.