Gau-5A 12.7'''' 1-12 Upper Receivers - Brn-Gau-5A Upper Receiver, 12.7'''' 1-12 Twist, Pin/Weld, Black
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Overview
The Brownells Gau-5a Upper Receiver features a complete assembly with a 12.7-inch barrel length and a 1:12 twist rate, designed to stabilize a variety of bullet weights for enhanced accuracy. The black finish offers a sleek appearance while ensuring durability in various conditions. This upper receiver is commonly found in builds focused on compact configurations, where versatility and maneuverability are key.
Specifications
Gau-5A 12.7'''' 1-12 Upper Receivers - Brn-Gau-5A Upper Receiver, 12.7'''' 1-12 Twist, Pin/Weld, Black
Available Merchants(1)
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Stock Alert
Price and stock
The Brownells Gau-5A 12.7'''' 1-12 Upper Receivers - Brn-Gau-5A Upper Receiver, 12.7'''' 1-12 Twist, Pin/Weld, 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 $788.79 at Brownells for when it comes back.
Prices checked · refreshed daily across 37 retailers
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