CVA's 209 Conversion Kit can upgrade a Northwest CVA Muzzleloader to a modern 209 primer ignition. The set includes a firing pin retainer-bushing, o-ring for the firing pin retainer-bushing, firing pin spring, 209 firing pin, 209 QRBP breech plug, 209 QRBP tool and firing pin bushing tool. Designed specifically for Northwest CVA Optima, Wolf and Accura Series Muzzleloaders, the CVA 209 Conversion Kit also works well on other models 2010 or newer.