CMMG Dissent 10.50" Upper 5.56x45mm with 1:7 Twist Rate and M-LOK Rail - Pistol-Length with Charging Handle - Armor Black
$1,024.99 at GunMag Warehouse · 5 stores
In stock
Best price
$534.99at Brownells
Out of stock checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $534.99checked Oct 1, 2026 | Out of stock | Buy at Brownells | |
| OpticsPlanet | $534.99Salechecked Oct 1, 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.
Price history
Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $534.99 | $534.99 | $534.99 |
| OpticsPlanet | $534.99 | $534.99 | $534.99 |
Since Sep 27, 2026.
About this part
The M4E1 Assembled Gen 2 Upper Receiver 8 Pistol Length is an AR-15 upper receiver from Aero Precision. It's sold by 2 stores, all at $534.99.
Fits and works with
- Gas system
- Pistol · Handguards
Specifications
- Manufacturer
- Aero Precision
- Platform
- AR-15
From the manufacturer
Enhanced Tactical Upper for a Custom AR Pistol / SBR / Carbine Build
From Aero Precision, the AR-15 M4E1 .300 Blackout Assembled Upper Receivers. Chambered in 300 Blackout, the upper is finished with black anodizing and available in three lengths, each with different length handguards. This upper does not come with the charging handle or bolt carrier group, allowing the user to personalize their upper receiver even more! The Aero Precision Assembled Upper Receiver also features:
- M-LOK EM-7 7” for 8” barrel, 9” handguard for 10” barrel, 15” handguard for 16” barrel
- 8”, 10”, and 16” carbine length chrome moly barrel
- Pistol length gas system w/ low profile gas block
- Standard A2 muzzle brake- not pinned or welded
- Bolt Carrier Group and Charging Handle NOT included
- Made in the USA
The Aero Precision AR-15 8", 10", or 16” Assembled Upper Receiver is a great choice for your next AR-15 build!
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 16"" as defined by the ATF for a rifle build.
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