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Brownells
Overview
The Brownells BRN-4 Stripped Upper Receiver is a billet-style upper designed for builders looking for a solid foundation for their AR-15 setups. As a stripped upper, it provides the essential framework without any pre-installed components, allowing for customization to meet specific build requirements. This type of upper is often favored in precision builds where tight tolerances and a robust design are paramount.
Specifications
Available Merchants(1)
Prices checked
Stock Alert
Build history on GunPartPicker
Builders have been adding the Brownells Brn-4 Stripped Upper Receiver Billet to their builds on GunPartPicker since March 2026. All time, it ranks #659 of the 1,714 upper receivers builders have added.
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 $199.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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