Gun Grips Fit Info Ruger Montado - Fit All Model Ruger New Vaquero - Fits New Vaqueros which have a serial number with a Three-Digit prefix (Example = 512-XXXXX). If your Vaquero has a Two-Digit serial number prefix (example = 55-XXXXX). you have an Original ("Old") Vaquero = These Grips will not fit an Original Vaquero. Free 1st Class Shipping - U.S. Each set is for 1 gun. Order 2 sets for 2 guns.