The Thunder™ Nipples use 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. (When using the 209 adpater, you must use the magnum hammer.)
Magnum 209 adapter for use with 209 shotgun primers (improved design).
Item #: A1409
