XM177E2 Complete Upper Receivers - Brn XM177E2 Upper Receiver, 11.5", 1-12 Twist, Black
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Brownells
Overview
The Brownells Xm177e2 Complete Upper Receiver features an 11.5-inch barrel with a 1:12 twist rate, making it ideal for stabilizing lighter projectiles. This complete assembly is finished in black, offering a sleek look while ensuring compatibility with a variety of lower receivers for easy integration into your AR-15 build. Typically, this upper is favored in compact builds designed for close-quarters engagements or shorter overall lengths.
Specifications
XM177E2 Complete Upper Receivers - Brn XM177E2 Upper Receiver, 11.5", 1-12 Twist, Black
Available Merchants(1)
Prices checked
Price Alert
Price and stock
Availability is good for the Brownells XM177E2 Complete Upper Receivers - Brn XM177E2 Upper Receiver, 11.5", 1-12 Twist, Black: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $645.27, so there haven't been real sales lately. Buying today, the lowest price is $645.27 at Brownells, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
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