Featuring a Titanium barrel nut, 7 sided M-LOK attachment slots, two integrated steel QD (limited rotation) sockets, and maximized cooling slots beneath the 12 o'clock rail, the L89 is built for end-users who require every little bit of mounting space they can get.Built on the M89/Drivelock lockup system, the L89 incorporates valued end user feedback in getting the most utility possible out of a handguard in modern combative applications.Maximum strength, maximum mounting space, and weight savings material choices make this one of the finest fighting handguards available to date.Features:Available Length:10.75" and 13.75"14.2oz installedFeatures a rugged DriveLock mounting systemMachined from aluminum with hardcoat anodized finishFull length picatinny railM-LOK slots at 45Adeg positionsIncludes titanium barrel nut and integrated sling sockets