Brn-4 Assembled Upper 10.4" Medium Chrome Lined Barrel Black

Name: Brn-4 Assembled Upper 10.4" Medium Chrome Lined Barrel Black
Brand: Brownells
Availability: OutOfStock

Brownells · Upper Receiver

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Best price

$1,039.99at Brownells

Out of stock Sale checked Oct 1, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$1,039.99Salechecked Oct 1, 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.

Price history

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Dashed line = out of stock. Tracking since Sep 28, 2026.

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Store	Latest	Lowest	Highest
Brownells	$1,039.99	$1,039.99	$1,039.99

Since Sep 28, 2026.

About this part

The Brn-4 Assembled Upper 10.4" Medium Chrome Lined Barrel Black is an AR-15 complete upper receiver from Brownells. One store lists it, Brownells at $1,039.99.

Fits and works with

Barrel length: 10.4" · Handguards

Specifications

Manufacturer: Brownells
Color: Black
Type: Complete
Platform: AR-15

From the manufacturer

BRN-4A(R) UPPER RECEIVER ASSEMBLIES WITH CHROME LINED BARRELS Assembled from All New Components - Now with Chrome Lined Barrels. Fits Standard AR-15 Lowers. The BRN-4A(R) Upper Receiver is now available as an Assembled Upper, with Barrel and Gas System installed. Simply add your preferred HKA(R) 416 compatible handguard and any 1/2-28 muzzle device, and you're ready to hit the range! Available in barrel lengths of 10.4, 13.7, 14.5, and 16 inch, these upper receiver groups are suitable for any need. Also available in standard and heavy profiles. Chrome lined bore and chamber of these barrels has been the go-to for h Mfg: Brownells