Brownells Brn-16A4 5.56X45 Nato 20'' Bbl Upper Receiver

Unleash your inner marksman with the Brownells BRN-16A4 5.56X45 NATO 20" barrel upper receiver, designed for those who demand performance, reliability, and authenticity in their firearms. This upper assembly encapsulates the essence of classic military rifles, bringing together the coveted aesthetics of the M16A4 with modern manufacturing techniques. Imagine the satisfaction of seamlessly integrating this upper into your existing setup, transforming it into a piece that not only looks the part but excels in function on the range or in the field.

Every detail of the BRN-16A4 is meticulously crafted, starting with the 20-inch Government profile barrel, complete with a chrome-lined bore and chamber that ensures longevity and accuracy shot after shot. The 1-7 twist rate deftly accommodates high-performance M855 62 grain and heavier bullets, guaranteeing reliable performance in varied shooting scenarios. Coupled with the renowned M16A2 flash hider, you'll enjoy not just superior recoil management but also a stylish nod to the heritage of military design. As you take your aim, the "F" Marked front sight base with its A2 square post offers clarity and precision that serious shooters crave.

Customization is key in today's shooting community, and the BRN-16A4 allows for extensive upgrades with its USGI barrel nut, compatible with a variety of handguards. Whether you're a seasoned enthusiast looking to maximize your tactical advantage, or a hobbyist eager to build a reflection of your personal style, this upper means you won’t be boxed into limitations. The included M16A2 style handguards, complete with a heat shield, provide that classic feel reminiscent of the original A2 designs, making for a nostalgic shooting experience that will transport you back to the rifle range days of yore.

In addition to its attractive features, the mil-spec bolt carrier group with a durable phosphate exterior and a hard-chrome interior guarantees smooth operation and easy maintenance. You can dive into any shooting scenario with confidence, knowing that this upper is built with reliability at its core. Turn your next shooting event into an exhilarating experience with the Brownells BRN-16A4, where tradition meets enhanced performance and every round fired becomes a testament to quality craftsmanship and engineering excellence.

Key Features

• All new production 5.56 NATO upper receiver
• M16A4 design with classic aesthetics and performance
• 20-inch Government profile barrel
• 1-7 twist rate for optimal bullet stability
• Chrome lined bore and chamber for longevity
• M16A2 flash hider for muzzle control
• "F" Marked front sight base with bayonet lug and sling swivel
• Standard handguards replicating the original A2 design
• Mil-spec bolt carrier group with phosphate exterior and chrome interior

Technical Specifications

What's in the Box

• Brownells BRN-16A4 Upper Receiver
• Complete Bolt Carrier Group
• Handguards (M16A2 Style)

Compatibility & Requirements

• Compatible with standard M16A4 and AR-15 lower receivers
• Requires standard M4 or A2 handguards (for aftermarket upgrades)

Dimensions & Weight