Rock River Arms Completed Upper Receiver Carbine SS .350 Legend 16 Inch Barrel 1-16 Twist 1/2-36 Thread Free-Float Handguard Brake Black
$594.99 at MidwayUSA · 3 stores
In stock Sale
M4E1 350 Legend Assembled Upper DMR 16" Carbine Threaded BLK
Aero Precision · Upper Receiver
No ratings yetBest price
$549.99at Brownells
Out of stock checked Oct 23, 2026
In stock now instead
- Rock River Arms Completed Upper Receiver Carbine SS .350 Legend… $594.99at MidwayUSA
- APF Armory 350 Legend Fury Complete Upper Receiver Armor Black $749.00at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $549.99checked Oct 23, 2026 | Out of stock | Buy at Brownells | |
| OpticsPlanet | $609.99Salechecked Oct 23, 2026 | Out of stock | Buy at OpticsPlanet | |
| MidwayUSA | $609.99checked Oct 23, 2026 | Out of stock | Buy at MidwayUSA |
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.
APF Armory 350 Legend Fury Complete Upper Receiver Armor Black
$749.00 at OpticsPlanet
In stock
Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $549.99 | $549.99 | $549.99 |
| MidwayUSA | $609.99 | $609.99 | $609.99 |
| OpticsPlanet | $609.99 | $609.99 | $609.99 |
Since Sep 28, 2026.
About this part
The M4E1 350 Legend Assembled Upper DMR 16" Carbine Threaded BLK is an AR-15 complete upper receiver from Aero Precision. It's sold by 3 stores, from $549.99 to $609.99.
Fits and works with
- Caliber
- .350 Legend · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Gas system
- Carbine · Handguards
- Barrel length
- 16" · Handguards
Specifications
- Manufacturer
- Aero Precision
- Color
- Black
- Type
- Complete
- Platform
- AR-15
- Caliber
- .350 Legend
From the manufacturer
M4E1 Threaded Upper Receiver Features: New enhanced forging that gives the upper receiver a "billet look" New picatinny profile that blends seamlessly with our Enhanced Series Handguards M4 Feedramps .250 takedown pin holes Laser engraved T-marks Includes port door and forward assist installed Does not include charging handle or bolt carrier group. Mfg: Aero Precision
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