Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 16in Mid-Length Barrel 1-7 Twist 15in ATLAS R-ONE Handguard A2 Flash Hider Cerakote OD Green
$569.99 at OpticsPlanet · 2 stores
In stock Sale
Aero Precision M4E1 AR-15 .223 Wylde 16in M-LOK Atlas R-One Threaded Upper Receiver Standard SS QPQ Mid-Length Barrel 1-8 Twist A2 Flash Hider 15in HG
Aero Precision · Upper Receiver
No ratings yetBest price
$589.99at OpticsPlanet
Out of stock Sale checked Oct 23, 2026
In stock now instead
- Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 16in … $569.99at OpticsPlanet
- Lightweight Kit Minus Lower Receiver w/ Col. Stock 5.56mm 26in … $587.49at OpticsPlanet
- Spikes Tactical Upper 5.56 16in Midlength LE w/BLK M-LOK Handgu… $593.10at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $589.99Salechecked Oct 23, 2026 | Out of stock | Buy at OpticsPlanet |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
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This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
Lightweight Kit Minus Lower Receiver w/ Col. Stock 5.56mm 26in 16in Light Weight Carbine 1x9 1/2x28Picatinny Key MOD A2 Flash Hider Anodized Man.
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Price history
Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $589.99 | $589.99 | $589.99 |
Since Oct 12, 2026.
About this part
The Aero Precision M4E1 AR-15 .223 Wylde 16in M-LOK Atlas R-One Threaded Upper Receiver Standard SS QPQ Mid-Length Barrel 1-8 Twist A2 Flash Hider 15in HG is a 16" 5.56 / .223 upper receiver from Aero Precision. One store lists it, OpticsPlanet at $589.99.
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
- Mid-length · Handguards
- Barrel length
- 16" · Handguards
- Handguard length
- 16" · Barrels
Specifications
- Manufacturer
- Aero Precision
- Platform
- AR-15
- Caliber
- .223 Wylde
From the manufacturer
Aero Precision M4E1 AR-15 .223 Wylde 16in M-LOK Atlas R-One Threaded Upper Receiver Standard SS QPQ Mid-Length Barrel 1-8 Twist A2 Flash Hider 15in HG. 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. 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 16in .223 Wylde Complete Upper Receiver with Flash Hider: Manufacturer: Aero Precision Caliber: .223 Wylde Overall Length: 26 in Barrel Length: 16 in Barrel Profile: Standard SPR Gas System Length: Mid Length Barrel Twist Rate: 1-8 Firearms Threads Per Inch: 1/2x28 Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Gun Model: AR-15 Fabric/Material: 416R Stainless Steel Gas Block Journal Size-Diameter: .750 in Handguard Length: 15 in Handguard Style: M-LOK ATLAS R-ONE Gun Rail: Picatinny M-LOK Gun Type: Rifle Gun Make: AR Platform Barrel Material: 416 Stainless Steel Weight: 48.5 oz Magazine Included: No Condition: New Country of Origin: USA Features of Aero Precision M4E1 Threaded 16in .223 Wylde Complete Upper Receiver with Flash Hider Enhanced forging that gives the upper receiver a "billet look". Picatinny profile that blends seamlessly with our Enhanced Series Handguards. .250 takedown pin holes. Laser engraved T-marks. Includes port door and forward assist installed. Full top picatinny rail for optional attachments. 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 o'clock positions. Compatible with low profile gas blocks. Compatible with mil-spec AR15 upper receivers and barrels. Package Contents: Aero Precision M4E1 Threaded 16in .223 Wylde Complete Upper Receiver with Flash Hider What firearm models does the manufacturer say Aero Precision M4E1 Threaded 16in .223 Wylde Complete Upper Receiver with Flash Hider is compatible with? The manufacturer says that Aero Precision M4E1 Threaded 16in .223 Wylde Complete Upper Receiver with Flash Hider is compatible with AR-15Aero Precision APAR700715M72: M4E1 Threaded .223 Wylde Complete Upper Receiver 16in 1-8 Twist A2 Flash Hider 15in M-LOK ATLAS R-ONE Handguard FDE Cerakote
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