Mk16 10.3" Urgi Upper CHF Barrel, Ach, Rebcg 5.56mm DDC
$1,525.00 at MidwayUSA · 4 stores
In stock
M4E1 Complete Piston Upper With Strike Eagle - 18" Piston Upper With Vortex 1-8x24mm Strike Eagle & Mount
Aero Precision · Upper Receiver
No ratings yetBest price
$1,499.99at Brownells
Out of stock checked Oct 23, 2026
In stock now instead
- Mk16 10.3" Urgi Upper CHF Barrel, Ach, Rebcg 5.56mm DDC $1,525.00at MidwayUSA
- DD4 RIII S Complete Upper Receiver 5.56 NATO 11.5", Flat Dark E… $1,527.00at OpticsPlanet
- AR-15 Super Duty Mod1 5.56x45 16" Bbl Complete Upper DDC $1,450.00at Brownells
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $1,499.99checked Oct 23, 2026 | Out of stock | Buy at Brownells |
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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Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $1,499.99 | $1,499.99 | $1,499.99 |
Since Sep 28, 2026.
About this part
The M4E1 Complete Piston Upper With Strike Eagle - 18" Piston Upper With Vortex 1-8x24mm Strike Eagle & Mount is an AR-15 complete upper receiver from Aero Precision. One store lists it, Brownells at $1,499.99.
Fits and works with
- Barrel length
- 18" · Handguards
Specifications
- Manufacturer
- Aero Precision
- Type
- Complete
- Platform
- AR-15
From the manufacturer
The M4E1 Superlative Arms Complete Upper Receiver Groups, built by Aero Precision, feature the well-regarded Superlative Arms Piston Kit. This Upper Receiver was spec'ed out by Brownells and Aero Precision to integrate seamlessly with the Superlative Arms Kit. Perfect for a Suppressor host or for those who simply don't like cleaning the chamber area of your AR-15, these Upper Receivers vent hot gasses and debris at the gas block, not in the receiver like a traditional gas impingement AR. The adjustable Superlative Arms Gas Block allows you to fine tune your gas setting and can be easily adjusted through the front of the handguard. The gas piston can eas Mfg: Aero Precision
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