Magpul® M-LOK® 7 Slot Polymer Rail


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SKU: MAG591BLK Categories: ,

Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Polymer Rail Sections provide a cost effective method of attaching various 1913 Picatinny spec rail-mounted accessories such as lights and vertical grips. Injection molded from a proprietary reinforced composite for enhanced strength and durability, our M-LOK Polymer Rail Sections are light weight and feature beveled ends to reduce snagging and eliminate sharp corners and edges.

Includes all hardware necessary for attachment directly to M-LOK Slots on either aluminum or polymer hand guards and forends.

Includes 7 usable slots and a maximum overall length of 3.3 in.

Made in the USA.


  • Directly Mounts to M-LOK Compatible Systems
    • Capable of multi-directional mounting
    • Intermediate spacing option
  • Rugged Reinforced Polymer Construction
    • Cammed T-Nuts
    • Built in recoil/impact mitigation lugs


Attachment M-LOK Interface Provided Picatinny
Material Polymer Slots Provided 7

Additional Information:

Item Number MAG591
Style Number MAG591-BLK


Manufacturers, importers, suppliers, and distributors may make changes to their products without fanfare. Such changes can lead to discrepancies between the advertised product and the actual product in inventory. While International Shooting Supplies Ltd. endeavors to correctly describe the actual product in inventory, we will not be responsible for unintentional inaccuracies in text and images of the advertised product.



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