Brn-4(R) Upper Receiver Assemblies With Chrome Lined Barrels - Brn-4 Assembled Upper 14.5" Heavy Chrome Lined Barrel Black
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Overview
The Brownells BRN-4 Upper Receiver Assembly features a complete design, making it ready for installation on your lower receiver. With a 14.5-inch barrel length, this upper provides a balance of maneuverability and effective range, suitable for a variety of shooting applications. Commonly found in tactical and competition builds, this assembly is a solid choice for builders looking to create a versatile AR-15 platform.
Specifications
Brn-4(R) Upper Receiver Assemblies With Chrome Lined Barrels - Brn-4 Assembled Upper 14.5" Heavy Chrome Lined Barrel Black
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Build history on GunPartPicker
Builders on GunPartPicker first added the Brownells Brn-4(R) Upper Receiver Assemblies With Chrome Lined Barrels - Brn-4 Assembled Upper 14.5" Heavy Chrome Lined Barrel Black to a build in March 2026.
It was out of stock everywhere we track for all of September 2026, and today the one retailer we track is out of stock. Listed prices start at $1,119.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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