Aero Precision ATLAS S-One M5 M-LOK Handguard for AR-10 – Slick Top Rail

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Slick Top AR-10 M-LOK Handguard from Aero Precision

The ATLAS S-One for the M5 platform features a slick top rail for more comfortable weapon handling. This handguard not only looks great, matching Aero’s M5 uppers and lower receivers, it’s also tough and feature rich. 3 sides of M-LOK slots, 3 QD sling attachment points, plus enough rail at the very end for a backup iron sight.

These handguards come in 12 and 15 inch long varieties to suit a modern battle rifle build.  Choose from matte black anodizing, or durable Cerakote finishes will match with your favorite polymer components, and any Aero Precision M5 receivers. This handguard will work with most Gen 1 DPMS pattern upper receivers with high tang profiles.

Innovative Taper Lock Attachment

The ATLAS (Aero Taper Lock Attachment System) gives the handguard its name, and a sleek attachment method.  The ATLAS uses 2 mirrored, tapered locking nuts that evenly distribute clamping force around the barrel nut with a turnbuckle screw.  The handguard also features a ratcheting detent, making the installation secure and preventing distortion during installation.

This handguard includes all the necessary hardware for installation, plus timing shims to provide perfect alignment with your receiver and gas tube.  As with all of Aero Precision’s products, the ATLAS S-ONE sets the standard for quality across the industry, and it’s all made in the USA.


  • Smooth top rail for comfortable grip, with picatinny rail for backup sights
  • Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
  • Compatible with low profile gas blocks
  • 1.5″ Inside diameter
  • Compatible with AR308 upper receivers and barrels (DPMS Gen 1 High Tang style)

Note: The ATLAS Handguards are NOT compatible with the M5E1 Enhanced Upper Receiver.  Use the Threaded M5E1 Upper Receiver only.


  • Material: 6061-T6 Aluminum
  • Finish
    • Anodized: Black, OD Green, Kodiak Brown
    • Cerakote: Magpul Flat Dark Earth, OD Green, or Sniper Grey
  • Handguard Weight
    • 12 inch: 7.66 oz
    • 15 inch: 8.71 oz
  • Handguard Actual Length
    • 12 inch: 12.56″
    • 15 inch: 14.94″
  • Hardware Weight: 4.72 oz
  • Inside Diameter: 1.5″

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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.

Aero Precision Warranty

If for any reason you have a warranty issue with one of our products, please contact us at 253-272-8188.

Please describe your situation, include your name and order number or transaction id. One of our technical specialists will then review your claim and contact you within 3-5 business days.

If you have images to send, please email them to

Damaged Items

In regards to claims dealing with damaged or blemished products, we ask that you create a Help Desk Ticket on your My Account page. If you don’t have an account with us, please go to the Contact Us page and fill out the form for review within 72 hours upon receiving the shipment.

If you have images to send, please email them to

Failed Background Check

There will be a 30% restocking fee on all lower receivers returned because of failed background checks.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.