The new Fenix ALG-18 is the perfect accessory for any tactical setup. The ALG-18 is a heavy-duty barrel mount that fits most Fenix flashlights with a diameter of 1. The mounting portion allows for quick assembly and disassembly on most gun barrels. The ALG-18 also includes and rubber pad at the clamp to avoid any scratching while increasing stability. The whole body of the ALG-18 is made from A6061-T6 Aluminum and has a Type HAIII hard-anodized finish.