Retro Brn-601 5.56mm 20" Bbl Upper Receiver
$719.99 at Brownells
In stock Sale
Best price
$1,099.00at Brownells
Out of stock checked Oct 24, 2026
In stock now instead
- Retro Brn-601 5.56mm 20" Bbl Upper Receiver $719.99at Brownells
- Patriot Ordnance Factory P415 Edge 16.5" Complete Upper 5.56x45… $1,093.19at Kentucky Gun Co
- Mk114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only $1,129.95at Ammunition Depot
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $1,099.00checked 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.
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.
Patriot Ordnance Factory P415 Edge 16.5" Complete Upper 5.56x45mm 1:8, Black
$1,093.19 at Kentucky Gun Co · 6 stores
In stock
Mk114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only
$1,129.95 at Ammunition Depot · 6 stores
In stock
Exclusive Mk1 Alpha LT 223 Wylde 14.5"bbl 11.5" MLOK Hdgd Kodiak Brown
$1,133.49 at Ammunition Depot · 3 stores
In stock
Bilson Arms BA-15FC 5.56 NATO 16in Forward Complete Upper Assembly Standard Mid Length 1-7 Twist 1/2x28 A2 Flash Hider Nitride Graphite Black
$1,144.00 at OpticsPlanet
In stock Sale
Patriot Ordnance Factory Renegade Plus 10.5" Complete Upper 5.56x45mm 1:8, Black
$1,053.50 at Kentucky Gun Co · 5 stores
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 | $1,099.00 | $1,099.00 | $1,099.00 |
Since Sep 28, 2026.
About this part
The Brn-180 Gen 2 18" 223 Wylde Upper & MI Side Folding Stock is an AR-15 complete upper receiver from Brownells. One store lists it, Brownells at $1,099.00.
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
- 18" · Handguards
Specifications
- Manufacturer
- Brownells
- Type
- Complete
- Platform
- AR-15
- Caliber
- .223 Wylde
From the manufacturer
BRN-180A(R) Upper Receiver Group Gen2 - Reliable Piston System Made Even More Versatile Designed in conjunction with PWS & FM Products, the Brownells BRN-180A(R) Complete Upper Receiver is inspired by the ArmaliteA(R) AR-180 of the 1960s. Developed as a successor to the original AR-15, the AR-180 was a civilianized version of the AR-18, itself an upgrade on the M16 platform. The BRN-180A(R) incorporates many of the AR-18/AR-180 improvements - including its robust and reliable gas piston operating system. (Yes, the originators of the AR-15 / M16 eventually embraced a piston!) The BRN-180A(R) Gen2 Upper Receiver Group improves upon the original BRN-180 with two Mfg: Brownells
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