Retro Brn-601 5.56mm 20" Bbl Upper Receiver
$719.99 at Brownells
In stock Sale
Best price
$652.84at Brownells
Out of stock Sale checked Oct 24, 2026
In stock now instead
- Retro Brn-601 5.56mm 20" Bbl Upper Receiver $719.99at Brownells
- Brn-601 5.56mm 20" Upper Receiver With Colt 4x21mm Scope $847.99at Brownells
- HM Defense .223 Remington Upper with 16" Barrel, Black $650.99at Ammunition Depot
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $652.84Salechecked 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.
Brn-601 5.56mm 20" Upper Receiver With Colt 4x21mm Scope
$847.99 at Brownells
In stock Sale
HM Defense .223 Remington Upper with 16" Barrel, Black
$650.99 at Ammunition Depot · 4 stores
In stock
Luth-AR Bull Rifle Kit Minus Lower Receiver w/Fixed Stock .223 29in 20in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese
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In stock Sale
Rock River Arms Completed Upper Receiver Predator Pursuit .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black
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Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, Black
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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 | $652.84 | $652.84 | $652.84 |
Since Sep 28, 2026.
About this part
The Brn-16a2 5.56x45 NATO 20" Bbl Upper Receiver is a 2E+1" 5.56 / .223 upper receiver from Brownells. One store lists it, Brownells at $652.84.
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
- 2E+1" · Handguards
Specifications
- Manufacturer
- Brownells
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
Mfg: Brownells
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