Brn-601 5.56mm 20" Upper Receiver With Colt 4x21mm Scope
$847.99 at Brownells
In stock Sale
Flash Hider Brn-180s Gen 2 13.9" Upper Receiver Pinned/Welded .223wylde
No ratings yetBest price
$899.99at Brownells
Out of stock checked Oct 24, 2026
In stock now instead
- Brn-601 5.56mm 20" Upper Receiver With Colt 4x21mm Scope $847.99at Brownells
- Retro Brn-601 5.56mm 20" Bbl Upper Receiver $719.99at Brownells
- M4A1 Socom Block II 5.56 Stripped Upper 14.5" Bbl $899.99at Brownells
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $899.99checked Oct 24, 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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This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
Retro Brn-601 5.56mm 20" Bbl Upper Receiver
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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 | $899.99 | $899.99 | $899.99 |
Since Sep 28, 2026.
About this part
The Flash Hider Brn-180s Gen 2 13.9" Upper Receiver Pinned/Welded .223wylde is a 13.9" 5.56 / .223 upper receiver from Brownells. One store lists it, Brownells at $899.99.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Barrel length
- 13.9" · Handguards
Specifications
- Manufacturer
- Brownells
- Platform
- AR-15
- Caliber
- .223 Wylde
From the manufacturer
LIMITED PRODUCTION RUN! Get the Shortest-Possible BRN-180A(R) Without Having To Register It As an SBR This special, limited-production model of our popular BRN-180SA(R) complete upper receiver comes with a premium Primary Weapon Systems FRC Rearden flash hider permanently pinned and welded onto the barrel to meet the National Firearms Act's (NFA) requirement for a minimum 16" barrel length. This gives you the shortest-possible barrel without having to apply to the ATF (and pay $200) to register your rifle as an SBR. You actually get TWO benefits because this PWS flash hider also serves as a quick-attach mount for sound suppressors that use the Rearden, Atlas, and Plan B mo Mfg: Brownells
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