Home / Parts / Sons of Liberty Gun Works / Sons of Liberty Gun Works L89 13.75" Steel Barrel Nut Integrated QD Socket M-LOK Drive Lock Rail RAIL-L89-S-13-75
Sons of Liberty Gun Works L89 13.75" Steel Barrel Nut Integrated QD Socket M-LOK Drive Lock Rail RAIL-L89-S-13-75
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$389
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Updated
Aug 26, 2026
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13.75 Length, 16.7oz Installed"
7-Sided M-LOK Attachment Slots
Fast Slots Beneath 12 O'Clock for Zip Ties for Cables
Includes Barrel Nut
Two Integrated Steel QD Sockets
Specifications
Description
The Sons of Liberty Gun Works L89 13.75" Steel Barrel Nut Integrated QD Socket M-LOK Drive Lock Rail is a precision-crafted, full-length handguard system designed for AR-15 platform rifles seeking a robust and versatile rail solution. Constructed from steel with a durable finish, this handguard features an integrated barrel nut design that streamlines installation and ensures a rock-solid, zero-wobble fit on any mil-spec AR-15 upper receiver. The M-LOK attachment system along the length of the rail provides ample mounting real estate for accessories such as lights, grips, bipods, and sling mounts, while the integrated QD socket offers a convenient and secure sling attachment point for rapid deployment and transitions. The Drive Lock system further enhances rigidity and stability, eliminating any flex or movement during use. At 13.75 inches, this rail provides excellent coverage for mid-length and rifle-length gas system builds, making it a top-tier choice for duty, competition, and precision shooting applications that demand the highest level of performance and reliability from Sons of Liberty Gun Works. Sons of Liberty Gun Works L89 13.75" Steel Barrel Nut Integrated QD Socket M-LOK Drive Lock Rail RAIL-L89-S-13-75


