XM177E2 Complete Upper Receivers - Brn XM177E2 Upper Receiver, 11.5", 1-7 Twist, Black
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Brownells
Overview
The Brownells XM177E2 Complete Upper Receiver is designed for AR-15 enthusiasts seeking a compact and versatile option with an 11.5-inch barrel length and a 1:7 twist rate. This twist rate is optimized for stabilizing a variety of bullet weights, making it suitable for both standard and heavier projectiles. As a complete assembly, it streamlines the build process, allowing builders to quickly attach it to their lower receiver for a reliable shooting experience. This upper receiver is commonly found in builds that emphasize maneuverability and a classic, retro aesthetic.
Specifications
XM177E2 Complete Upper Receivers - Brn XM177E2 Upper Receiver, 11.5", 1-7 Twist, Black
Available Merchants(1)
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Stock Alert
Price and stock
The Brownells XM177E2 Complete Upper Receivers - Brn XM177E2 Upper Receiver, 11.5", 1-7 Twist, Black was out of stock everywhere we track for all of September 2026, and today the one retailer we track is out of stock. Listed prices start at $645.27 at Brownells for when it comes back.
Prices checked · refreshed daily across 37 retailers
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