Ox-Yoke Originals Revolver Wonder Seals - $4.88

Innovative Wonder Seals provide sealing of loaded revolver chambers to prevent cross firing when shooting black-powder revolvers. Pre-sized for corresponding revolver calibers and are easily placed in the chamber. In addition to providing a sure seal, they also clean and lubricate your barrel eliminating the hassle of having to mess with extra greases and lubricants. - $4.88