The Sons of Liberty Gun Works P3 Fighting Barrel in 5.56 NATO is built for shooters who demand a durable, hard-use AR-15 barrel. This 16" chrome lined, phosphate finished barrel uses a medium contour to balance heat management with manageable weight, and its threaded muzzle is ready for your preferred brake or suppressor device.

This model features a mid-length gas system for smoother recoil impulse and reliable cycling, along with 5.56 NATO chambering to run a wide range of ammunition. Ideal for training, range work, and general-purpose defensive carbines, it offers a solid foundation for a dependable AR-15 build. The design reflects Sons of Liberty Gun Works’ focus on practical performance and proven craftsmanship.

• Manufacturer: Sons of Liberty Gun Works
• Model: P3 Fighting Barrel
• Caliber: 5.56 NATO
• Barrel Length: 16.00"
• Barrel Type: Threaded
• Thread Pitch: 5/8x24
• Finish Color: Black Phosphate