Fail Zero Fail Exo Firing Pin

Put the latest and greatest technology into your AR-15 rifle, starting with one of the most important parts: the firing pin. This drop in part is coated with the patented EXO technology, and will increase the reliability of your firearm while decreasing downtime due to maintenance. FAILZERO tactical weapon upgrade parts are treated with UCT Coatings' patented, military-proven EXO Technology. This unique, breakthrough technology creates a permanently lubricious surface, harder than the substrate