The Sons of Liberty Gun Works Liberty Fighting Barrel 11.5" 5.56 Chrome Lined is built for shooters who want a hard‑use AR-15 barrel with dependable accuracy. This medium-contour barrel uses 5R rifling and durable 41V50 chrome-moly steel, finished with a phosphate treatment and chrome-lined bore for long service life. A .223 Wylde chamber, 1:7 twist rate, and DLC-coated barrel extension support reliable performance with a wide range of .223 Remington and 5.56 NATO loads.

This 11.5" threaded barrel with 1/2x28 muzzle threads is ideal for compact AR-15 builds focused on maneuverability without giving up consistency on target. The carbine-length gas system and .750" gas journal with a deep dimple help ensure secure gas block installation and smooth cycling, making it well suited for training, range work, and general-purpose defensive carbines. Sons of Liberty Gun Works is known for building components that emphasize reliability, thoughtful design, and practical performance.

Key Features:

• Manufacturer: Sons of Liberty Gun Works
• Model: Liberty Fighting Barrel
• Caliber: .223 Remington / 5.56 NATO (.223 Wylde chamber)
• Barrel Length: 11.5"
• Threaded Barrel: Yes, 1/2x28
• Gas System: Carbine-Length
• Contour: Medium
• Bore Lining: Chrome Lined
• Rifling: 5R, 1:7 Twist
• Barrel Material: 41V50 Chrome-Moly Steel
• Gas Journal: .750" with Deep Dimple