Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider
$765.99 at MidwayUSA · 2 stores
In stock
Rock River Arms Completed Upper Receiver FESP .223 Wylde 16 Inch Barrel Mid Lenght Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard Brake Black
Rock River Arms · Upper Receiver
No ratings yetBest price
$713.92at MidwayUSA
In stock Sale checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| MidwayUSA Best price | $713.92Salechecked Oct 21, 2026 | In stock | Buy at MidwayUSA | |
| OpticsPlanet | $747.99Salechecked Oct 21, 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
Lowest in-stock price in the last 30 days: $713.92 at MidwayUSA. Dashed line = out of stock. Tracking since Oct 16, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| MidwayUSA | $713.92 | $713.92 | $713.92 |
| OpticsPlanet | $747.99 | $747.99 | $747.99 |
Since Oct 16, 2026.
About this part
The Rock River Arms Completed Upper Receiver FESP .223 Wylde 16 Inch Barrel Mid Lenght Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard Brake Black is an AR-15 complete upper receiver from Rock River Arms. It's sold by 2 stores (1 in stock), from $713.92 to $747.99. The lowest in-stock price in the last 30 days was $713.92 at MidwayUSA.
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
- Muzzle thread
- 1/2x28 · Muzzle devices
- Barrel length
- 16" · Handguards
Specifications
- Manufacturer
- Rock River Arms
- Color
- Black
- Type
- Complete
- Platform
- AR-15
- Caliber
- .223 Wylde
From the manufacturer
Rock River Arms Completed Upper Receiver FESP .223 Wylde 16 Inch Barrel Mid Lenght Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard Brake Black. 223 Wylde Completed Upper. These AR15 Upper Receivers through the skilled product professionals at Rock River Arms are fashioned by using dependable and dependable resources as a way to provide you with a product that will be useful for countless years. Manufactured utilizing some of the very best attainable components and design these special AR15 Upper Receivers from the product experts at Rock River Arms will last you an unbelievably lengthy time. Rock River Arms has been developing top quality merchandise for a number of years and the Rock River Arms FESP .223 Wylde Completed Upper is their way of showing you how much they are concerned. At OpticsPlanet we ensure that it is our responsibility to purchase the perfect solution for all your requirements and exhibiting the Rock River Arms FESP .223 Wylde Completed Upper is one thing that we are happy to offer. Specifications for Rock River Arms FESP .223 Wylde Completed Upper: Manufacturer: Rock River Arms Caliber: .223 Wylde Overall Length: 24 in Barrel Length: 16 in Barrel Profile: Standard Gas System Length: Mid Length Barrel Twist Rate: 1-8 Firearms Threads Per Inch: 1/2x28 Handguard Type: Free-Float Muzzle Device: Brake Finish: Carbon Fiber Color: Black Fabric/Material: Stainless Steel Gas Block Journal Size-Diameter: .750 in Handguard Length: 2.5 in Gun Rail: Full Top Rail Gun Type: Rifle Weight: 5 lb Barrel Material: 416R Stainless Steel Bolt Carrier Group Included: COM-SPEC Magazine Included: No Condition: New Package Contents: Rock River Arms FESP .223 Wylde Completed Upper Bolt Carrier Group Charging Handle Assembly Rock River Arms FE0500: Completed Upper Receiver FESP .223 Wylde 16 Inch Barrel Mid Lenght Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard Brake Black
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