This is a 3D printed key designed and manufactured by Inception Defense. It fills in two slots on the Sig Sauer X-Macro rail and locks the 7A light back as close to the trigger guard as possible and prevents any unwanted movement between the light and the rail.
Compatible with all holster we know of that are designed for this light and the X-Macro.
Gun not for sale. Light not included. Gun and light just shown for reference.