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Magpul Polymer Picatinny Rail Section for M-LOK - 4 Lengths - 3, 5, 7, 9 or 11 Slot


You will receive fast, free shipping for all orders over $35

Shipping cost is $5.50 for orders under $35. We ship with UPS and USPS. 

Most orders ship out within 24 hours

You will receive tracking information immediately at the time of shipment. To expedite shipping, we may ship your order from multiple warehouses.  

We have a 90-day no-hassle return policy. We pay return shipping.

If you need to request a return, contact us at and we will send you a return label

After 90 days, defective items will still be covered under the manufacturer’s warranty, where applicable.

Please refer to the product listing for warranty details. If you have specific warranty questions, contact us at We may direct you to pursue your warranty claim directly with the manufacturer.

Your satisfaction is our #1 priority

If you're dissatisfied with your purchase, in any way, please contact us at - we will do our best to make it right.

Product Options


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, vertical grips, etc.

Injection molded from a proprietary reinforced composite for enhanced strength and durability while remaining lightweight, Rail Sections also feature beveled ends to reduce snagging and eliminate sharp corners and edges.

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


  • MAG589 - 3 Slots, max overall length of 1.6 in.
  • MAG590 - 5 Slots, max overall length of 2.5 in
  • MAG591 - 7 Slots, max overall length of 3.3 in.
  • MAG592 - 9 Slots, max overall length of 4.1 in.
  • MAG593 - 11 Slots, max overall length of 4.9 in.

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