Aero Precision AR15 Atlas R-One 12″ M-LOK Handguard – Black

(5 customer reviews)

$139.99 $111.99

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SKU: APRA500704AC Categories: , ,


The ATLAS R-ONE is the newest addition to the Aero Precision Handguard lineup. Machined from 6061-T6 Aluminum, the R-ONE line of handguards are designed with size and weight in mind, providing the perfect handguard for your lightweight build. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

Available in KeyMod and M-LOK® profiles with 12″ and 15″ options (7″ and 9″ options coming soon).


The new Aero Taper Lock Attachment System (ATLAS) is both functional and aesthetically pleasing. It features 2 mirrored tapered locking nuts that provide evenly distributed clamping pressure across a custom engineered barrel nut with use of a turnbuckle screw. A ratcheting detent further secures the design while providing positive registration during installation. By design, the even pressure of the ATLAS system avoids distortion of the handguard often seen with current applications during installation.

All hardware mounting parts are included with the purchase of an ATLAS Handguard.

Lightweight By Design

  • KeyMod Handguard Weights: 7″ – 5.12 oz / 9″ – 5.92 oz / 12″ – 7.84 oz / 15″ – 8.96 oz
  • M-LOK Handguard Weights: 7″ – 5.22 oz / 9″ – 6.03 oz / 12″ – 8 oz / 15″ – 9.07 oz
  • Mounting Hardware Weight: 4.72 oz (same across all ATLAS Handguard options)


  • Full top picatinny rail for optional attachments
  • Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
  • Compatible with low profile gas blocks
  • 1.3″ Inside diameter
  • 1.5″ Outside diameter
  • Compatible with mil-spec AR15 upper receivers and barrels

ATLAS Handguards are designed to match seamlessly with our M4E1 Threaded Upper Receivers. Additionally, they are compatible with any Mil-Spec AR-15 upper receivers as well. However, they may not be compatible with billet upper receivers due to indexing tabs.

Additional information

Weight 1.25 lbs
Dimensions 18 × 4 × 4 in

5 reviews for Aero Precision AR15 Atlas R-One 12″ M-LOK Handguard – Black

  1. Eric (verified owner)

    Perfect fit and finish for my build. Lock up was secure and install was a breeze. Best price I found online as well.

  2. troy (verified owner)

    Super light, super tight. .035 clearance with a .625 slr adjustable gas block. Comes with everything you need to install. If it’s your first atlas install, take 5 minutes and watch Aero’s install video.

  3. Mark B. (verified owner)

    Great price and fast shipping.

  4. DSP8784 (verified owner)

    I put this on my Sig Sauer M400, it replaced the original Magpul carbine foregrip. The fit is perfect, it wraps around the upper and lower as if it were made for a Sig. Looks like a different rifle. I’ll be purchasing more from Aero in the near future!

  5. Michael R. (verified owner)

    My Aero handguard was shipped fast and received in perfect condition.
    I’m a big fan of the Aero Atlas handguards because they’re easy to remove for cleaning, & are light weight.

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