Product Description The Sons of Liberty Gun Works M89 Drive Lock Rail is a premium 13" M-LOK handguard engineered for AR-15 platforms. Finished in a hard anodized black coating that meets Mil-Spec MIL-A-8625F, Type III, Class 2 standards, this rail delivers exceptional durability and a non-reflective surface ideal for tactical applications. The NiAc seal ensures the anodized finish matches SOLGW receivers for a seamless, factory-matched appearance. A full-length Picatinny top rail provides continuous accessory mounting across the entire length of the handguard, while the M-LOK slots along the body allow for flexible, lightweight accessory attachment at multiple positions. Engraved T-Marks make reinstallation and accessory placement precise and repeatable. The kit ships complete with everything needed for a clean installation, including the barrel nut, barrel nut wrench, and all lock-up components. Product Highlights Mil-Spec Hard Anodized Finish: MIL-A-8625F, Type III, Class 2 coating with NiAc seal provides superior corrosion resistance and matches SOLGW receivers. Full-Length Picatinny Top Rail: Continuous top rail across the entire 13" length for unrestricted optic, sight, and accessory mounting. M-LOK Attachment System: Industry-standard M-LOK slots allow lightweight, low-profile accessories to be securely mounted at multiple positions. Engraved T-Marks: Precision-engraved T-Marks ensure accurate accessory placement and repeatable reinstallation. Complete Installation Kit: Includes the rail, barrel nut, barrel nut wrench, and all lock-up components for a complete, tool-ready installation. Specs Brand: Sons of Liberty Gun Works Model: M89 Drive Lock Rail MPN: M8913 UPC: 785939519310 Length: 13" Inner Diameter (ID): 1.4" Attachment System: M-LOK Top Rail: Full Length Picatinny Finish: Mil-Spec MIL-A-8625F, Type III, Class 2, Hard Anodized, Non-Reflective, NiAc Seal Color: Black T-Marks: Engraved Compatible Platform: AR-15 Includes: Rail, Barrel Nut, Barrel Nut Wrench, Lock-Up Components 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. ]]>