+3 Traditions Musket Thunder Nipple M8 Metric Thread A1408 C $14.99 Magnum Musket Nipple for use with musket caps. The Thunder Nipple uses an 8mm thread that tapers at the end to lock into the Thunder Dome Breech Plug. This magnum ignition system assures you a torch-like flame to ignite the powder. In stock Quantity: 1 Add to Bag Product Details UPC: 040589140803 Brand: Traditions Save this product for later Favorite