Ruger 4/5 scale Vaquero Warning
CAUTION
Ruger has introduced a New Vaquero with a smaller frame size, 4/5th's the size of the OLDER Ruger Vaquero. Ruger has suggested that the New Model Vaquero use only ammunition that is to the Industry pressure level for the 45 Colt (14,000 psi). Load data for the 45 Colt in the #13 Speer Reloading Manual has higher pressure load data listed as applicable to "45 Colt for Ruger & Contender ONLY".
DO NOT USE THE HIGHER PRESSURE DATA FOR THE NEW 4/5TH'S SIZE RUGER VAQUERO