XTech Tactical Thru-Flo Rail Covers for M-LOK install in seconds without tools and protect your hands and your barrel. The unique one piece design pops into the slot with an open middle allowing heat to leave your barrel to both maintain accuracy and prolong the life of your barrel. Additionally, the Thru-Flo panels work with all M LOK style openings that have a thickness under 3mm. Additionally these rail covers give you a great aesthetic to add some life to your platform with tasteful accents. Finally, the Thru-Flo rail covers are the lightest covers for M-LOK on the market at only 2 grams per cover! FeaturesTHRU-FLO TechnologyTool Free Install and Removal2 gram per cover weightCompatible with M-LOK slots under 3mm thicknessDesign Patent USD1064164S1Utility Patent US20250362102A1