Brownells Military Barrels AR-15 A1 12.7 Carbine Barrel Assembly 1-7 FSB
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Overview
The Brownells Military Barrels AR-15 A1 12.7 Carbine Barrel Assembly is designed for the 5.56 NATO caliber, featuring a 12.7-inch length that strikes a balance between compactness and effective range. Its M4 profile ensures a lightweight yet durable construction, while the carbine-length gas system with a .625 gas block diameter optimizes reliability and performance. With a 1:7 twist rate, this barrel is well-suited for stabilizing a variety of bullet weights, making it a versatile choice for short-barreled builds and tactical applications.
Specifications
Brownells Military Barrels AR-15 A1 12.7 Carbine Barrel Assembly 1-7 FSB
Available Merchants(1)
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Stock Alert
Price and stock
The Brownells Military Barrels AR-15 A1 12.7 Carbine Barrel Assembly 1-7 FSB 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 $199.99 at Brownells for when it comes back.
Prices checked · refreshed daily across 37 retailers
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