AR-15 5.56mm Forged A4 Upper Receiver W/ 16" HBAR Barrel

Best price

$159.99at Brownells

checked Sep 30, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$159.99checked Sep 30, 2026	Check store	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.

About this part

The AR-15 5.56mm Forged A4 Upper Receiver W/ 16" HBAR Barrel is a 16" 5.56 / .223 upper receiver from Brownells. One store lists it, Brownells at $159.99.

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: 16" · Handguards

Specifications

Manufacturer: Brownells
Platform: AR-15
Caliber: 5.56 mm NATO
Barrel length: 16"
Length: 16

From the manufacturer

Savings and Performance All in One

This perfect combination is made up of the Rock River Arms AR-15 A4 forged upper receiver assembly and the Critical Capabilities AR-15 HBAR barrel. A bundle that offers savings, performance and makes your next build all that much easier.