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Introducing the newest member of the Aero Precision Handguard family, the ATLAS R-ONE. Made from 6061-T6 Aluminum, the R-ONE handguards are designed to be lightweight and compact for your perfect build. The ATLAS attachment system, unique to Aero Precision, is sturdy and stable and maintains a slim, low profile. You can select from KeyMod or M-LOK profiles with a choice of 12" or 15" options. (7" and 9" alternatives will be available very soon.)

The ATLAS system features mirrored tapered locking nuts that ensure an even distribution of clamping pressure that reduces the distortion of the handguard that is usually caused during installation. The hardware for installation comes with your ATLAS Handguard purchase.

The handguards have a slim design with even pressure throughout and no distortion during installation. They come in KeyMod or M-LOK profiles, with 12" or 15" length options, and hardware weight is standardized across all ATLAS Handguard choices.

The handguard also comes with the following features:

- 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

In particular, it is compatible with the M4E1 Threaded Upper Receiver of Aero Precision. Even though it is also compatible with Mil-Spec AR-15 upper receivers, it may not be compatible with billet upper receivers due to indexing tabs. However, eligible customers can take advantage of our discount combos.

Furthermore, the KeyMod Handguard weights for 7", 9", 12", and 15" options are 5.12 oz, 5.92 oz, 7.84 oz, and 8.96 oz, respectively. The M-LOK Handguard weights for 7", 9", 12", and 15" options are 5.22 oz, 6.03 oz, 8 oz, and 9.07 oz, respectively. Mounting hardware weight is 4.72 oz across all the ATLAS Handguard options.