20" 5.56 Government Contour 1:9 Rifle Length Barrel w/ FSB - Phosphate

20" 5.56 Government Contour 1:9 Rifle Length Barrel w/ FSB - Phosphate Reliable Performance with Classic Design The OEM Black Rifle Depot 20" 5.56 Government Contour Barrel is designed for shooters seeking reliable performance and traditional aesthetics with the addition of a fixed front sight base (FSB). This barrel features a government contour, a 1:9 twist rate for optimal stabilization of a wide range of bullets, and a durable phosphate finish that enhances corrosion resistance. The rifle-length gas system and 0.750 gas block journal ensure smooth cycling and consistent operation. Sourced from top-tier American manufacturers, this barrel is built to ISO-9001 standards and carries a MOA guarantee for barrels 16" and longer, providing outstanding value for your next build. Key Features 20" Government Contour - Balances weight and performance for reliability and stability. Fixed Front Sight Base (FSB) - Traditional design for enhanced accuracy and durability. 1:9 Twist Rate - Optimized for stabilizing a wide variety of bullet weights. Mag Phosphate Finish - Provides long-lasting corrosion resistance and a classic appearance. Rifle-Length Gas System - Designed for reliable cycling and reduced recoil. American Made - Crafted by trusted Tier 1 manufacturers in the United States. Technical Specifications Finish: Mag Phosphate Barrel Profile: Government /SOCOM Gas System Length: Rifle Gas Block Journal: 0.750 inches Barrel Length: 20 inches Chamber: 5.56 NATO Twist Rate: 1:9 Muzzle Thread Pattern: 1/2x28 Experience reliable performance, consistent accuracy, and classic aesthetics with a durable government contour barrel. The phosphate finish and American-made quality ensure long-lasting value. FSB is F-Marked *Front sight post, detent, and spring are not included* *Barrel is not chrome-lined*