winchester triple seven 209 primers Muzzleloader  are designed to deliver reliable and consistent ignition for black powder and black powder substitute loads in muzzleloader firearms. Each box contains 100 primers, providing ample supply for a full season of shooting. Engineered to perform under high pressures and deliver clean, reliable ignition, these primers ensure consistent performance and accuracy. Whether you’re a seasoned hunter or a target shooter, winchestertriple seven 209 primers are your go-to choice for dependable ignition and optimal performance in your muzzleloader.