These easy-to-use paper cartridge formers allow you to make paper cartridges for the Colt Walker, other .44-caliber revolvers, and .36-caliber revolvers. They even have built-in powder measures! (The Walker holds 40 grains of powder, the .44 holds 25 grains of powder, and the .36 holds 17 grains of powder.) They are also available in complete paper cartridge kits. Here is the instructional video for my paper cartridge kits and formers: