Amazon.com : Nylon Belt or Clip on Gun Holster Fits Ruger Blackhawk, Super Blackhawk, Vaquero, Single Six, Super Single Six, Bisley Vaquero, Redhawk, Old Army (6 Shot) with 7 1/2" Barrel :
Nylon Gun Holster AMT Automag (3 3/8" brl) OWB OPEN CARRY | eBay