The Brownells short, piloted barrel liner drill bit is a crucial tool for gunsmiths seeking to reline firearm barrels with precision and efficiency. Engineered to accurately follow the original bore, this drill bit guarantees the creation of a straight and true hole, thereby enabling the correct installation of barrel liners. Pilot-guided design - the integrated pilot precisely navigates the drill bit along the pre-existing bore, ensuring optimal alignment and mitigating deviation throughout the drilling operation Constructed from high-speed steel, the drill bit provides outstanding durability and retains its sharpness, even when used on hard barrel steels Enhanced flute geometry - incorporating advanced deep hole flute design and a precision-engineered helix angle, the drill bit optimizes chip evacuation and minimizes jamming risk, ensuring seamless operation Enhanced web architecture - the advanced reinforced web design ensures precise hole dimensions, delivering a robust structural foundation for the barrel liner's optimal performance