This complete upper includes Aero Precision’s new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Aero Precision’s 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. This complete upper does not include BCG or Charging Handle.
Includes:
- M4E1 Threaded Assembled Upper Receiver
- 16.6″ ATLAS R-ONE Handguard
- 20″ 5.56 Rifle Length CMV Barrel
- Low Profile Gas Block and Carbine Length Gas Tube
- Product comes assembled
M4E1 Threaded Upper Receiver Features:
- New enhanced forging that gives the upper receiver a “billet look”
- New picatinny profile that blends seamlessly with our Enhanced Series Handguards
- M4 Feedramps
- .250 takedown pin holes
- Laser engraved T-marks
- Includes port door and forward assist installed
ATLAS R-ONE Handguard 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
20″ .350 Legend Carbine Length CMV Barrel Features:
- .350 Legend 20″ Carbine Length, 1/16 twist, 4150 CrMoV, QPQ, gas port drilled
- .750 gas block journal
- Government Profile
- Carbine length gas system
- M4 Feed Ramp Extension
- HP and MPI tested
- Standard A2 flash hider
Specifications:
- Caliber/Gauge .350 Legend
- Barrel Length 20″
- Barrel Twist 1:16
- Barrel Finish QPQ Corrosion Resistant
- Firearm Fit AR-15
- Threaded Barrel Yes
