Brownells Brn-4 5.56X45 Nato 16'' Medium Chrome Lined Barrel, Phosphate

In the pursuit of performance, precision, and power, the Brownells BRN-4 5.56x45 NATO 16'' Medium Chrome Lined Barrel stands as a pivotal upgrade for firearm enthusiasts and tactical professionals alike. Crafted with the utmost attention to detail by accomplished manufacturers at Faxon, this barrel marries the prestigious heritage of the HK® 416 with modern engineering excellence. Imagine gripping your rifle with a barrel that not only fits seamlessly with early generations of HK® 416 upper receivers but also elevates your shooting experience thanks to its thoughtfully designed mediums and robust construction.

Unlock the thrill of shooting with a barrel that is historically hard to procure yet now available for your customization projects. The BRN-4 barrel breathes new life into your firearm, fitting perfectly with the BRN-4 bolt carrier group and gas block, ensuring unparalleled reliability and performance. The variety of lengths—10.4, 14.5, and 16 inches—means you can pick the ideal size that complements your shooting style, whether that’s for close-quarters combat or longer-range precision shooting.

Crafted with button rifling featuring a 1-7 twist rate, each shot delivers exceptional accuracy and stability, handling a wide variety of commercially found ammunition with grace. The phosphate finish and chrome-lining not only provide an extremely durable exterior that’s easy to clean but also enhance longevity and performance, promising countless rounds fired without compromise. Users can enhance their customization further by selecting between the classic heavy profile for enhanced rigidity or the new medium profile designed for agility in action.

From the battlefield to the range, the Brownells BRN-4 barrel represents a commitment to excellence and innovation in firearm performance. When every shot counts and precision is paramount, this barrel stands ready to deliver with a robust profile, compatibility with essential components, and the adaptability needed for your tactical ambitions. Make the choice that not only enhances your rifle’s capabilities but also enriches your shooting experience, transforming every trigger pull into a testament of refinement and expertise.

Key Features

• Compatible with early generations of HK® 416 upper receivers
• Offered in multiple lengths (10.4, 14.5, and 16 inches)
• Available in heavy and medium profile options
• Black nitride finish for superior durability and easy cleaning
• Button rifled with a 1-7 twist rate
• Standard 1/2-28 muzzle threads for versatile muzzle device attachment
• Designed for compatibility with BRN-4 bolt carrier group and gas block

Technical Specifications

What's in the Box

• Brownells BRN-4 5.56x45 NATO 16'' Medium Chrome Lined Barrel
• Installation instructions

Compatibility & Requirements

• Compatible with BRN-4 bolt carrier group (part number 430-100-141)
• Requires BRN-4 gas block for correct installation (part numbers 078-000-708 & 078-000-709)
• Gas block coil pins (part number 430-103-127) for final assembly

Dimensions & Weight