Brownells BRN-4 14.5in stripped barrel is engineered for HK 416 compatibility and is machined by Faxon to fit early HK 416 upper receivers and components. This chrome-lined, button-rifled barrel uses a 1-7 twist rate for versatile performance, with 5.56x45mm NATO and .223 Remington chambering and common 1/2-28 muzzle threads for easy muzzle device selection. A deep black nitride finish provides a hard exterior and interior that is designed to be easy to clean.
Key Features
HK 416 compatible BRN-4 lineup barrel designed for early HK 416 upper fitment
Chrome-lined, button-rifled barrel with 1-7 twist rate
5.56x45mm NATO and .223 Remington chambering for ammunition flexibility
1/2-28 muzzle threads for common muzzle device interfaces
Deep black nitride exterior finish for improved durability and easier cleaning
Uses BRN-4 matching gas block selection for the correct barrel length build
Build your BRN-4 with a chrome-lined, nitride-finished barrel that’s made to drop into an HK 416 compatible setup with the correct BRN-4 gas components.
