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 AR15 .223 Wylde 18 inch SS QPQ M-LOK Upper Receiver Rifle Length 1-8 Twist 1/2x28 A2 Flash Hider Cerakote FDE
Aero Precision · Upper Receiver
No ratings yetBest price
$574.99at 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
- Rock River Arms Completed Upper Receiver Predator Pursuit .223 … $577.99at MidwayUSA
- AR-15 10.5" Carbine Upper Receiver 1-7 M-LOK BLK 5.56mm $579.95at Ammunition Depot
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $574.99Salechecked 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.
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Price history
Dashed line = out of stock. Tracking since Oct 13, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $574.99 | $574.99 | $574.99 |
Since Oct 13, 2026.
About this part
The Aero Precision M4E1 AR15 .223 Wylde 18 inch SS QPQ M-LOK Upper Receiver Rifle Length 1-8 Twist 1/2x28 A2 Flash Hider Cerakote FDE is an 18" 5.56 / .223 upper receiver from Aero Precision. One store lists it, OpticsPlanet at $574.99.
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
- Rifle · Handguards
- Muzzle thread
- 1/2x28 · Muzzle devices
- Barrel length
- 18" · Handguards
- Handguard length
- 18" · Barrels
Specifications
- Manufacturer
- Aero Precision
- Color
- Flat Dark Earth
- Platform
- AR-15
- Caliber
- .223 Wylde
From the manufacturer
Aero Precision M4E1 AR15 .223 Wylde 18 inch SS QPQ M-LOK Upper Receiver Rifle Length 1-8 Twist 1/2x28 A2 Flash Hider Cerakote FDE. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These upper receivers AR15 Upper Receivers take almost no time to build onto your AR15. You'll be at the range shooting in no time when you add the Aero Precision M4E1 .223 Wylde Complete Upper Receiver to your AR15. Specifications for Aero Precision M4E1 18in .223 Wylde Complete Upper Receiver with Flash Hider: Manufacturer: Aero Precision Caliber: .223 Wylde Barrel Length: 18 in Barrel Profile: SPR Gas System Length: Rifle 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: 7075-T6 Aluminum Gas Block Journal Size-Diameter: .750 in Handguard Length: 15 in Handguard Style: M-LOK w/ Top Picatinny Rail System Gun Rail: M-LOK Gun Type: Rifle Gun Make: AR Platform Barrel Material: 416R Stainless Steel Weight: 68.5 oz Magazine Included: No Condition: New Threads per Inch: 1/2x28 Country of Origin: USA Features of Aero Precision M4E1 18in .223 Wylde Complete Upper Receiver with Flash Hider: M4 Feed Ramp Extension Laser engraved T-marks (Anodized only) Comes assembled with port door and forward assist installed Accepts standard AR15/M16 components Handguard mounting platform is forged into the receiver Works with Aero Precision handguards but also fits most BAR-system handguards Built in anti-rotation tabs Scalloped rails Continuous top rail 1.78" inside diameter fits most muzzle devices and 1.5" suppressors Compatible with low profile gas blocks HP and MPI tested Package Contents: Aero Precision M4E1 18in .223 Wylde Complete Upper Receiver with Flash Hider Barrel Nut Wrench Gen 2 Enhanced Handguard What firearm models does the manufacturer say Aero Precision M4E1 18in .223 Wylde Complete Upper Receiver with Flash Hider is compatible with? The manufacturer suggests that Aero Precision M4E1 18in .223 Wylde Complete Upper Receiver with Flash Hider is compatible with AR-15Aero Precision APAR600252M73: M4E1 Complete Upper .223 Wylde 18in Rifle Length 1/8 EM-15 Gen2 A2 FDE
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