Brn-4 Assembled Upper Receivers - Brn-4 Assembled Upper Receiver 14.5" Heavy Barrel Black
All Brownells upper receivers
Click to see full view
Brownells
Overview
The Brn-4 Assembled Upper Receiver features a complete assembly with a 14.5-inch heavy barrel, designed for optimal performance and accuracy. Its black finish not only adds a sleek look but also provides durability for rigorous use. This upper receiver is commonly used in builds that prioritize compactness and maneuverability without sacrificing firepower.
Specifications
Brn-4 Assembled Upper Receivers - Brn-4 Assembled Upper Receiver 14.5" Heavy Barrel Black
Available Merchants(1)
Prices checked
Stock Alert
Price and stock
The Brownells Brn-4 Assembled Upper Receivers - Brn-4 Assembled Upper Receiver 14.5" Heavy Barrel Black 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 $1,098.99 at Brownells for when it comes back.
Prices checked · refreshed daily across 37 retailers
Not sure which upper receiver to pick?
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Check it against the live catalog:
Frequently Built With
Popular alongside upper receivers on GunPartPicker
Aero Precision M4E1 Complete Lower Receiver W/MOE SL Grip & SL-S Carbine Stock
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Bravo Company M16 Bolt Carrier Group Black
Magpul AFG-2 Angled Fore Grip - Black
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
No reviews yet. Be the first to review this product!