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Aero Precision M4E1-T Complete Upper 14.5in 5.56 Carbine Length BRL 12in M-LOK AR15 ATLAS R-ONE HG Anodized Black

Aero Precision M4E1-T Complete Upper 14.5in 5.56 Carbine Length BRL 12in M-LOK AR15 ATLAS R-ONE HG Anodized Black

Aero Precision · Upper Receiver

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$564.99at OpticsPlanet

Out of stock Sale checked Oct 23, 2026

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OpticsPlanet $564.99Salechecked Oct 23, 2026 Out of stock Buy at OpticsPlanet

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Price history

Dashed line = out of stock. Tracking since Oct 13, 2026.

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About this part

The Aero Precision M4E1-T Complete Upper 14.5in 5.56 Carbine Length BRL 12in M-LOK AR15 ATLAS R-ONE HG Anodized Black is an AR-15 complete upper receiver from Aero Precision. One store lists it, OpticsPlanet at $564.99.

Fits and works with

Caliber
5.56 / .223 · Shop matching ammo
Bolt
Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Gas system
Carbine · Handguards
Barrel length
14.5" · Handguards
Handguard length
12" · Barrels

Specifications

Manufacturer
Aero Precision
Color
Black
Type
Complete
Platform
AR-15
Caliber
5.56 mm NATO

From the manufacturer

Aero Precision M4E1-T Complete Upper 14.5in 5.56 Carbine Length BRL 12in M-LOK AR15 ATLAS R-ONE HG Anodized Black. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to 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. Specifications for Aero Precision M4E1 Threaded 14.5in 5.56 Carbine Length w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider: Manufacturer: Aero Precision Caliber: 5.56x45mm NATO Barrel Length: 14.5 in Muzzle Device: A2 Flash Hider Gun Model: AR-15 Handguard Length: 12 in Gun Type: Rifle Gun Make: AR Platform Magazine Included: No Country of Origin: USA Features of Aero Precision M4E1 Threaded 14.5in 5.56 Carbine Length w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider M4E1 Threaded Upper Receiver Features: New enhanced forging that gives the upper receiver a inbillet lookin 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 S-ONE Handguard Features: Front and rear picatinny rail Eliminated center of top rail for weight reduction Indexing grooves in 12:00 position for positive grip control Quick disconnect sling socket at the 3 6 and 9 oclock positions Compatible with low profile gas blocks 1.3 Inside diameter 1.5 Outside diameter Compatible with mil-spec AR15 upper receivers and barrels Learn More about our NEW ATLAS S-ONE Hanguards 14.5in 5.56 M4 CMV Barrel Carbine Length Features: Chamber: 5.56 Length: 14.5in Twist: 1 in 7 Threading: 1/2inx28 Material: Chrome Moly Vanadium Finish: QPQ corrosion resistant finish both inside and out Gas Block: .750 Gas Port: .0785 Gas System Length: Carbine Weight: 25.28 oz M4 Barrel Extension HP and MPI Tested Included Accessories: M4E1 Threaded Assembled Upper Receiver ATLAS S-ONE Handguard of choice 14.5in 5.56 M4 CMV Barrel Carbine Length Low Profile Gas Block and Mid Length Gas Tube Product comes assembled This complete upper does not include BCG or Charging Handle These products may be selected as add-ons under the FINISH YOUR BUILD tab The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel Per the National Firearms Act the muzzle brake MUST be pinned and welded to achieve the necessary 16in as defined by the ATF for a rifle build. What firearm models does the manufacturer say Aero Precision M4E1 Threaded 14.5in 5.56 Carbine Length w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider is compatible with? The manufacturer suggests that Aero Precision M4E1 Threaded 14.5in 5.56 Carbine Length w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider is compatible with AR-15Aero Precision APAR700704M32: M4E1-T Complete Upper 14.5in 5.56 Carbine Length BRL 12in M-LOK AR15 ATLAS R-ONE HG Anodized Black

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$564.99 at OpticsPlanet
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