The Fenix ALG-18 Barrel Mount provides a reliable solution for mounting flashlights to rifles without rail attachment points featuring tool-free assembly and compatibility with 18-23mm diameter barrels.Fenix ALG-18 Flashlight Barrel MountFits weapon barrels with diameters of 0.7"-0.9" (18-23mm)Compatible with Fenix flashlights having 23.5-28mm body diameterMade of durable A6061-T6 Aluminum with anodized finishTool-free assembly and disassembly for easy installationRubber cushions included (remove for high-volume shooting to prevent melting)Ideal for tactical applications and hunting rifles that lack traditional rail systems providing secure flashlight mounting with professional-grade aluminum construction.