Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 16" Heavy Bbl Complete Upper W/13.5" Handguard
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Overview
The Brownells Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 16" Heavy Bbl Complete Upper W/13.5" Handguard is a upper receiver. Compare prices from multiple merchants and find the best deal.
Specifications
Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 16" Heavy Bbl Complete Upper W/13.5" Handguard
Available Merchants(1)
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Build history on GunPartPicker
Builders on GunPartPicker first added the Brownells Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 16" Heavy Bbl Complete Upper W/13.5" Handguard to a build in February 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 $1,375.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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