Seekins Precision M-LOK Accessory Rail Sections provide the best picatinny mounting system for accessories on any M-LOK compatible handguard. This 13-slot rail is constructed of 6061-T6 aluminum and hard coat anodized in matte black. It features an alignment stud that prevents unwanted movement and is engraved to show proper mounting direction, allowing for attachment without removing or reaching inside the handguard.