The Brownells Steel Pilot for .40/10MM Cylinder is a hardened steel pilot designed to keep facing and chamfering cutters properly centered in the bore. Built to resist wear through years of use, it serves as an essential tool for any gunsmith’s collection. This precision-engineered pilot measures 1¼” long and is sized to fit .40/10MM caliber revolver cylinders, working seamlessly with standard facing and chamfering cutter sets.
The hardened steel construction ensures consistent performance and wobble-free alignment during cylinder chamber preparation and precision gunsmithing operations. Caliber specification: 40/10 mm (.400-.401). The compact dimensions allow for convenient storage with your other gunsmithing tools. For gunsmiths who need reliable, interchangeable pilots for different calibers, this is an economical choice that delivers professional results.





