The CVA AC1697 NW Conversion Kit is an essential element for any muzzleloader shooter, providing all the critical components needed for maintenance and performance enhancement. This kit, specifically designed for shooting enthusiasts, includes a Northwest Firing Pin, Firing Spring, Retainer-Bushing, O-Ring, and a NW QUBP Breech Plug. These items, together, ensure your muzzleloader operates at peak performance while providing you with a smooth and reliable shooting experience. Ideal for those who value their shooting gear, this conversion kit is an investment in the longevity and efficiency of your muzzleloader.