Aero Precision ATLAS R-ONE M-LOK AR-15 Handguard - FDE - 4.8"

Manufactured by Aero Precision
SKU: APRA500718A
MPN: APRA500718A
Manufactured by Aero Precision
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Orders of non-FFL items will ship same-day if placed before 3:30pm CST. FFL orders will ship within 8 business days if transfer details are provided.

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Note: The Atlas handguards are not compatible with the Aero Precision M4E1 enhanced upper receiver. They are compatible with the M4E1 threaded upper receiver.

If you want to build a lightweight AR-15 without sacrificing durability or functionality, the Atlas R-ONE handguard is one component you want to look at. It is machined from 6061-T6 aluminum and features a proprietary attachment system that ensures your rail is locked down tight and will not rotate. ATLAS stands for Aero Taper Lock Attachment System, which features two mirrored and tapered locking nuts that evenly distribute clamping pressure on the custom machined barrel nut. The ratcheting detent system ensures that it stays locked down no matter what. This Aero Precision handguard has the same slim profile as the S-ONE series of free float handguards except that it has a full length picatinny top rail in case you need the extra rail space for optics or other attachments. The inside diameter measures only 1.3” but is still compatible with most low-profile gas blocks. Another feature of this free float handguard is the seamless integration with the Aero M4E1 threaded upper receivers. Not only does it perfectly match up to the M4E1 but it is also compatible with Mil-Spec receivers, so you can easily customize your build how you see fit.

  • 4.8” with full length picatinny top rail
  • Black anodized
  • Free float design with proprietary barrel nut and locking system
  • M-LOK attachment points
  • QD sling socket at 3, 6, and 9 o’clock positions
  • Compatible with low-profile gas blocks
  • 1.3” Inner diameter
  • Includes barrel nut and all mounting hardware

The Atlas R-ONE also comes in multiple different lengths, finishes, and attachment systems like M-LOK or KeyMod. This specific rail is 15 inches in length allowing it to completely cover rifle length gas systems and allow you to place lights further out on your rail. Along the sides and bottom are M-LOK attachment points, so you can customize exactly where you want rail sections for lights, grips or bipods. Another benefit of the M-LOK system is the quick detach accessory options that allow you to add or remove accessories with the press of a button.

Aero Precision takes some of the most state of the art manufacturing techniques and equipment derived from their work in the aerospace industry and applies it to their products in the firearms industry. They have utilized their knowledge from years of building aircraft components to design and engineer AR-15 handguards, receiver sets, scope mounts, and more. They treat every product as if it were a precision flying machine and adhere to strict quality standards to ensure law enforcement, military, and civilian customers receive a product they can rely on.
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Accessory AttachmentM-LOK
BrandAero Precision
ColorFlat Dark Earth
Gas System LengthPistol
Handguard Length4.8
MaterialAluminum - 7075-T6
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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