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 AR15 Complete Upper 16in 5.56 Mid-Length Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black
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
- Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm … $579.99at OpticsPlanet
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.
Similar upper receivers in stock
This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
Rock River Arms Completed Upper Receiver Predator Pursuit .223 Wylde 20 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black
$577.99 at MidwayUSA · 2 stores
In stock Sale
Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 4.5 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard Vortex Flash Hider Black
$579.99 at OpticsPlanet · 2 stores
In stock Sale
Spikes Tactical .223 Rem/5.56 16" Barrel Complete Upper Assembly, Mil-Spec Phosphate Coated, Black M4
$567.00 at OpticsPlanet · 5 stores
In stock Sale
Spikes Tactical .223 Rem/5.56 16" Barrel Complete Upper Assembly, Mil-Spec Phosphate Coated, Black Mid-Length
$598.50 at OpticsPlanet · 5 stores
In stock Sale
Resolute Mk4 5.56 NATO Assembled Upper Rcvr 16.1" Bbl Black
$489.99 at OpticsPlanet · 5 stores
In stock Sale
Price history
Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $574.99 | $574.99 | $574.99 |
Since Oct 12, 2026.
About this part
The Aero Precision AR15 Complete Upper 16in 5.56 Mid-Length Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black is an AR-15 complete 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
- Mid-length · Handguards
- Barrel length
- 16" · Handguards
Specifications
- Manufacturer
- Aero Precision
- Color
- Black
- Type
- Complete
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
Aero Precision AR15 Complete Upper 16in 5.56 Mid-Length Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150 Chrome Moly Vanadium with an anodized finish to ensure maximum durability and resistance to corrosion. This Aero Precision 556 complete upper includes a standard A2 flash hider M4-style handguard 16in 5.56 barrel and other accessories depending on what model you select. Available with carbine-length or mid-length gas systems these 16in AR 15 uppers are undeniably tough and built to perform in any situation. Grab yours today to upgrade your AR build with premium gun parts from Aero Precision. Specifications for Aero Precision AR15 16in 5.56 Complete Upper Receiver with Flash Hider with Pinned FSB M4 Handguard: Manufacturer: Aero Precision Caliber: 5.56x45mm NATO Overall Length: 26 in Barrel Length: 16 in Barrel Profile: Government Barrel Twist Rate: 1-7 Handguard Type: Drop-In Muzzle Device: A2 Flash Hider Finish: Anodized Color: Black Gun Model: AR-15 Fabric/Material: 4150 Chrome Moly Vanadium Gas Block Journal Size-Diameter: .750 in Gun Rail: Picatinny Gun Type: Rifle Gun Make: AR Platform Weight: 69.76 oz 48.5 oz Magazine Included: No Condition: New Threads per Inch: 1/2x28 Country of Origin: USA Features of Aero Precision AR15 16in 5.56 Complete Upper Receiver with Flash Hider with Pinned FSB M4 Handguard Upper: Standard AR15 Upper Receiver Barrel: 16in 5.56 CMV Mid-Length or Carbine-Length Barrel w/ Pinned FSB Handguard: M4 Style Handguard Gas System: Mid-Length or Carbine-Length Gas System Muzzle Device: Standard A2 Flash Hider Package Contents: Aero Precision AR15 16in 5.56 Complete Upper Receiver with Flash Hider with Pinned FSB M4 Handguard What firearm models does the manufacturer say Aero Precision AR15 16in 5.56 Complete Upper Receiver with Flash Hider with Pinned FSB M4 Handguard is compatible with? The manufacturer says that Aero Precision AR15 16in 5.56 Complete Upper Receiver with Flash Hider with Pinned FSB M4 Handguard is compatible with AR-15Aero Precision APAR505731: AR15 Complete Upper 16in 5.56 Mid-Length Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.