Compatible with KeyMod handguards and rail systems Unique color design to add flare and to match loadouts Made for most picatinny rails Can be mounted either direction Anodized aluminum construction with red finish In the Box 1X Rail Mount 1X Mounting Tools Specifications: Brand Atlas Custom Works Material Anodized Aluminum Overall Length 2.2 InchA Compatibility KeyMod Handguards Weight 1.4 oz Mounting Tools Included Color RED California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov