Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 16'''' Med Bbl Complete Upper W/13.5'''' Handguard
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Overview
The Brn-4(R) Complete Upper Receiver from Brownells is a fully assembled upper designed for the AR-15 platform, featuring a 16-inch barrel chambered in 5.56 NATO. This configuration provides a balance of maneuverability and velocity, making it suitable for a variety of shooting applications. This upper receiver is often utilized in builds focused on versatility for both tactical use and recreational shooting.
Specifications
Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 16'''' Med Bbl Complete Upper W/13.5'''' Handguard
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Stock Alert
Price and stock
The Brownells Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 16'''' Med Bbl Complete Upper W/13.5'''' Handguard 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 $1,372.99 at Brownells for when it comes back.
Prices checked · refreshed daily across 37 retailers
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