Brn-15 Upper Receivers 5.56mm NATO - Brn-15 5.56mm 16" Bbl .750" Gas Block Upper Receiver
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Brownells
Overview
The Brownells Brn-15 Upper Receiver is a complete assembly designed for the AR-15 platform, featuring a 16-inch barrel chambered in 5.56 NATO. This upper receiver allows for seamless integration with your lower receiver, providing reliable function and accuracy for your build. You can commonly find this upper in standard configuration rifles intended for versatile use, including home defense and target shooting.
Specifications
Brn-15 Upper Receivers 5.56mm NATO - Brn-15 5.56mm 16" Bbl .750" Gas Block Upper Receiver
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Build history on GunPartPicker
Builders on GunPartPicker first added the Brownells Brn-15 Upper Receivers 5.56mm NATO - Brn-15 5.56mm 16" Bbl .750" Gas Block Upper Receiver 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 $335.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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