A low-profile M-LOK Rail Cover designed to fit most machined rails and polymer handguards. The soft no slip material and ribbing provides a sure grip, providing extra traction and heat resistance. FEATURES Press-In Fit. Each Rail Cover fills 3 M-LOK sections. Manufactured from heat and chemical resistant material. Available in all standard colors. Sold in packs of 4. SPECS Weight: 0.15 oz. Length: 4.6 in. Width: 0.62 in. Mfg: B5 Systems