Product DescriptionThe Strike Industries SI Strike Rail is a lightweight, high-strength free-float handguard built for AR-15 style rifles. Designed to meet demanding duty-focused requirements, it delivers a feature-packed M-LOK platform with a built-in anti-rotation design and ambidextrous QD sling socket placement. The 1.57" internal diameter provides clearance for suppressor or Strike Oppressor compatibility, while the Flat Dark Earth (FDE) finish complements modern rifle builds. A proprietary barrel nut and mounting hardware are included for installation.Product HighlightsLightweight free-float M-LOK handguard engineered for AR-15 platform builds1.57" internal diameter supports suppressor clearance and Oppressor compatibilityBuilt-in anti-rotation feature for secure, repeatable alignmentAmbidextrous QD socket placement for flexible sling setupIncludes barrel nut and mounting hardware for installationSpecsBrand: Strike IndustriesModel: Strike Rail (M-LOK)Platform Compatibility: AR-15 (not compatible with AR-10 receivers)Length: 13.5"Color/Finish: Flat Dark Earth (FDE) anodizedMounting Interface: M-LOKInternal Diameter: 1.57"Outer Width (flat-to-flat): 1.80"Anti-Rotation: Built-in anti-rotation featureQD Sockets: Ambidextrous QD socket placementBarrel Nut: Aluminum barrel nut (included)Weight: 15.2 ozUPC: 708747547214Manufacturer Part Number: SI-StrikeRail-135-FDEIn the Box: Handguard, barrel nut, mounting hardware (may include shim kit/installation tool depending on packaging)Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.