Gun Grips Fit Info Ruger Montado - Fit All Models Ruger New Vaquero - Fits New Vaqueros which have a serial number with a Three-Digit prefix (e.g., 512-XXXXX). If your Vaquero has a Two-Digit serial number prefix (e.g., 55-XXXXX). you have an Original ("Old") Vaquero and these grips will not fit. Free 1st Class Shipping - U.S. Each Set is for 1 Gun. Order 2 sets for 2 guns.