Howell Old West Conversion For the 1860 Army or 1851 .44 Revolver. The strongest .45 caliber 5 shot conversion on the market today. It is fast to install. You can be shooting in less than 2 minutes. No loading port to cut just load install and shoot. Designed with historical Reenactor in mind This Drop In Konverter when installed in the .44 cal 1860 Army or 1851 .44 Revolver looks like a percussion cylinder. Allowing the battle field reenactor to fire the more convenient .45 cal blanks while maintaining the look of a revolver commonly used during the 1860s For Cowboy Action Shooting the cylinder has a five shot capacity, and to be able to use it in Cowboy Action Shooting competition. It was designed with 10 stop notches. The extra stop notches are the safety notches and lock the chambers out of battery. It has been approved by SASS. It is to be used with either smokeless Cowboy loads or Black Powder 45 Colt or Schofield ammunition. This cartridge conversion is for Uberti or Pietta copies of the 1860 Army Colt or 1851 ,44 Revolver. It converts your revolver to fire the .45 Colt or .45 Schofield cartridges. You must specify Uberti or Pietta.