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
$684.53 at Kentucky Gun Co · 3 stores
In stock
Rock River Arms CAR A4 16" Classic Upper .350 Legend 1:16 M-LOK Carbine-Length with BCG and CH, Black - Precision Carbine
Rock River Arms · Upper Receiver
No ratings yetBest price
$629.99at OpticsPlanet
In stock Sale checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $629.99Salechecked Oct 21, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $655.99checked Oct 21, 2026 | In stock | Buy at Ammunition Depot | |
| Palmetto State Armory | $729.99checked Oct 21, 2026 | Check store | Buy at Palmetto State Armory | |
| MidwayUSA | $575.44Salechecked Oct 21, 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.
Price history
Lowest in-stock price in the last 30 days: $575.44 at MidwayUSA. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $655.99 | $655.99 | $739.99 |
| MidwayUSA | $575.44 | $575.44 | $676.99 |
| OpticsPlanet | $629.99 | $629.99 | $629.99 |
| Palmetto State Armory | $729.99 | $729.99 | $729.99 |
Since Sep 28, 2026.
About this part
The Rock River Arms CAR A4 16" Classic Upper .350 Legend 1:16 M-LOK Carbine-Length with BCG and CH, Black - Precision Carbine is a 16" .350 Legend upper receiver from Rock River Arms. It's sold by 4 stores (2 in stock), from $575.44 to $729.99. The lowest in-stock price in the last 30 days was $575.44 at MidwayUSA.
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
- Rock River Arms
- Color
- Black
- Platform
- AR-15
- Caliber
- .350 Legend
From the manufacturer
Rock River Arms CAR A4 16" Classic Upper .350 Legend 1:16 M-LOK Carbine-Length with BCG and CH, Black - Precision Carbine - 350L0328
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