Gau-5A 12.7" 1-12 Upper Receivers - Brn-Gau-5A Upper Receiver, 11.5", 1-12 Twist, Black
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Overview
The Brownells Gau-5a Upper Receiver is a complete assembly featuring an 11.5-inch barrel with a 1:12 twist rate, designed for optimal stability and accuracy with lighter projectiles. The black finish provides a sleek appearance while ensuring durability in various conditions. This upper receiver is commonly found in compact AR-15 builds, making it a suitable choice for close-quarters applications or lightweight setups.
Specifications
Gau-5A 12.7" 1-12 Upper Receivers - Brn-Gau-5A Upper Receiver, 11.5", 1-12 Twist, Black
Available Merchants(1)
Prices checked
Price Alert
Price and stock
Availability is good for the Brownells Gau-5A 12.7" 1-12 Upper Receivers - Brn-Gau-5A 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 $736.69, so there haven't been real sales lately. Buying today, the lowest price is $736.69 at Brownells, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
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