Aluminum Rail Sections For M-LOK Compatible Handguards And Forends
The Magpul Aluminum Rail Section is designed for use with all M-LOK compatible hand guards and forends. It’s a useful addition to your handguards to allow the attachment of various 1913 Picatinny-Spec rail-mounted accessories such as lights, vertical grips, and more.
Beveled Ends To Reduce Snagging
The Magpul Aluminum Rail Section is constructed from Mil-Spec-anodized aluminum. It features beveled ends to reduce snagging and eliminate sharp corners and edges. It is sleek, low-profile, and very useful for further customization of your AR build.
All hardware necessary for attachment directly to M-LOK Slots on either aluminum or polymer hand guards and forends is included.
Features:
- Mounts directly to M-Lok compatible systems
- Multi-directional mounting
- Intermediate spacing option
- Mil-Spec anodized aluminum construction
- Cammed T-nuts
- Recoil/impact mitigation lugs
- Made in the U.S.A.
Specifications:
- 3 Slot Rail Section – MAG580 – Max overall length of 1.6″
- 5 Slot Rail Section – MAG581 – Max overall length of 2.5″
- 7 Slot Rail Section – MAG582 – Max overall length of 3.3″
- 9 Slot Rail Section – MAG583 – Max overall length of 4.1″
NOTE:
- Click here for M-LOK Installation Tips.
Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.
Magpul Warranty Information
If you ever experience an issue with a Magpul product at any time, regardless of where it was purchased, please contact us directly and we’ll do everything reasonable to help you.
To make a return, please take the following steps:
- BEFORE returning any products, please contact us first to receive an RMA number (Return Merchandise Authorization) and prominently write it on the outside of the package. Packages will not be accepted without an RMA.
- Include a note with your name, shipping address, phone number and email, RMA number, and reason for the return (including, if applicable, information about the firearm, ammunition, and usage environment for defective returns). Do not send ammunition.
- Wrap the item with quality padding and place it in the original packaging or in an appropriate box for shipping.
- A UPS shipping label will be provided in your shipment. If using the original packaging, remove or cover the original shipping label. Tape the preprinted return shipping label to the outside of the box. Drop package at an official or authorized UPS drop-off location.
- All refunds will be applied to the credit card used for the original purchase. You should allow one to two billing cycles for the refund to appear on your statement.