Brownells Xm177E2 Upper Receiver, 11.5'', 1-7 Twist, Black

Imagine taking a step back into the heart of firearm history with the Brownells XM177E2 Upper Receiver. This meticulously crafted upper receiver, with its authentic retro aesthetics and cutting-edge engineering, brings to life the iconic features of the historic XM177E2 configuration. Designed for the discerning firearms enthusiast, this upper offers not only a nod to the past but also a gateway to exhilarating performance and reliability in the field.

With its lightweight 11.5 or 12.7-inch barrel, this upper receiver is a true embodiment of craftsmanship. The flash hider, inspired by the revered XM177E2 moderator, ensures minimal flash signature while providing a robust platform for muzzle control. For those looking for versatility, the 12.7-inch version boasts a pinned and welded muzzle device to meet legal requirements without sacrificing performance. Whether you are a collector, competitive shooter, or just someone who appreciates the classics, this upper receiver will elevate your firearm accuracy and functionality.

The XM177E2 Upper Receiver isn’t merely about looks—it's about quality and precision. The available barrel twists of 1-12 for lighter projectiles and 1-7 for heavier rounds ensure that you can fine-tune your shooting experience. With a classic M16A1 ejection port cover, a slick forward assist, and a user-friendly A1 rear sight, every element of this upper receiver is meticulously designed with user experience in mind. It's not just an upper receiver; it's a portal to unparalleled shooting enjoyment.

When you hold the Brownells XM177E2, you're not just holding a piece of machinery; you're holding history and engineering excellence. Each shot taken with this upper resonates with the legacy of military precision and the thrill of a well-executed firearms build. Perfect for both range days and serious tactical applications, the XM177E2 is your ultimate companion for capturing that nostalgia of old-school firearms while delivering modern performance and dependability in any shooting scenario.

Key Features

• M16A1 upper receiver without shell deflector
• XM177 flash hider with proper grenade ring
• 11.5 or 12.7 inch 5.56x45mm NATO barrel
• Pinned and welded muzzle device on 12.7 inch configuration
• 1-12 or 1-7 twist available for bullet weight compatibility
• M16A1 style ejection port cover
• Teardrop forward assist for reliable cycling
• A1 rear sight assembly with adjustability
• Black polymer handguards with integrated heat shields
• Manganese phosphate mil-spec bolt carrier group with 9310 bolt

Technical Specifications

What's in the Box

• Brownells XM177E2 Upper Receiver
• Bolt Carrier Group
• Ejection Port Cover
• Handguards

Compatibility & Requirements

• Requires compatible lower receiver for assembly

Dimensions & Weight