Ox-Yoke Originals Wonder Seals – New preformed seals for sealing chambers on blackpowder revolvers to help prevent crossfires when shooting. Easy to use simply place seal over ball on end of cylinder and push it in place to expand it to make a seal , no need to smear lube or grease to prevent a crossfire.

100 seals per container. Available in 36 caliber or 44/45 caliber. Item no. OX02336 (36 cal.) or OX02344 (44/45 cal.)