This site has flintlock kits
Found this on Bass Pro Shop site. $209
Sorry this is percussion not flintlock!
Traditions™ Crockett .32 Cal. Percussion Pistol
Perfect for collectors or small-game shooters! This classic hooked-breech pistol is fully-functional and offers a modern percussion ignition system. Comes with primitive adjustable rear sight and a single, double-set trigger and brass hardware. The 9.75'' octagonal barrel has a 1 in 20'' twist. Overall length: 15.5''. Weight: 2 lbs. 14 oz.