Brownells Xm177E2 Upper Receiver, 12.7'' 1-7 Twist, Pin/Weld, Black

For those who crave a touch of classic military history fused with modern performance, the Brownells XM177E2 Upper Receiver is your gateway to an exhilarating shooting experience. Built for enthusiasts and collectors alike, this upper receiver embodies the essence of the iconic XM177E2, allowing you to recreate the thrill of retro builds while ensuring high functionality and reliability. Imagine holding a piece of history, with each pull of the trigger echoing the robust engineering that shaped military firearms.

Emphasizing both nostalgia and innovation, the XM177E2 features a 12.7-inch barrel uniquely designed with a pinned and welded muzzle device, comfortably meeting the 16-inch legal requirement. This means whether you’re on the range or embarking on a hunt, you're assured of not only visual authenticity but also optimal accuracy and performance with a twist rate tailored for your ammunition choice. The flash hider—modeled after the original XM177 muzzle—to minimizes muzzle flash, preserving your position during night operations or early dawn outings. Its sleek black carbine handguards perfectly mimic the original CAR design, ensuring that your setup remains aesthetic while being functional.

The XM177E2 is not just about looks; it’s engineered with precision. With a manganese phosphate mil-spec bolt carrier group and a chrome-lined bore and chamber, this upper receiver delivers exceptional performance and extends the lifespan of your firearm. The craftsmanship shines through in the details— from the tear drop forward assist that aids in chambering rounds under pressure, to the A1 rear sight assembly that allows for swift and accurate adjustments. Every component is designed for shooters who appreciate quality and reliability, giving you the confidence that when you need to deliver, every shot counts.

Elevate your firearm collection and enjoy the thrill that comes from wielding a piece of history done right. The Brownells XM177E2 Upper Receiver not only meets regulatory standards but surpasses expectations in usability and aesthetic appeal. Whether you’re a seasoned professional or just entering the shooting sports, this upper will elevate your experience, making every outing memorable. Transform your carbine into a legacy and witness the evolution of firearm design firsthand—your retro build is only a decision away!

Key Features

• M16A1 upper receiver without shell deflector
• XM177 flash hider with proper grenade ring
• 12.7-inch 5.56x45mm NATO barrel with pinned and welded muzzle device
• 1-7 twist for shooting 62gr or heavier bullets
• M16A1 ejection port cover
• Tear drop forward assist
• A1 rear sight assembly
• Carbine black polymer handguards with heat shields
• Manganese phosphate mil-spec bolt carrier group with 9310 bolt

Technical Specifications

What's in the Box

• Brownells XM177E2 Upper Receiver
• Attached bolt carrier group
• Front sight base

Compatibility & Requirements

• Compatible with standard AR-15 lower receivers
• Requires standard AR-15 magazine and ammunition

Dimensions & Weight