Montana Precision Swaging makes excellent lead cast bullets in a variety of diameters, weights and styles. Whether it's cowboy action shooting, blackpowder cartridge reloading or just plinking at the range, Montana Precision Swaging has a bullet to fit your needs.Hardness: Straight-sided paper patch bullets are an alloy with Brinnell hardness of approximately 7.5. Taper paper patch bullets are pure lead (not an alloy).Notes: Paper patch bullets are unpatched and unlubricated.They are designed and intended for use in black powder cartridges only.Templates are available for making paper patches (sold separately).