Faxon 350 Legend AR-15 Barrel, 20" Gunner Profile

Faxon 350 Legend AR-15 Barrel

This 20-inch Faxon barrel delivers the precision and durability demanded by modern sporting rifle shooters. Built from 4150 CMV steel and button-rifled to exacting standards, it's engineered for the 350 Legend cartridge—a cartridge gaining popularity among hunters and sport shooters for its moderate recoil and effective performance.

Key Features

• Caliber & Twist: 350 Legend SAAMI specification with 1:16 twist rate for optimal bullet stabilization
• Construction: 4150 CMV steel, button-rifled for consistency and longevity
• Profile: Gunner profile—a balanced design that provides adequate stiffness while keeping weight manageable
• Gas System: Carbine-length gas system compatible with standard AR-15 platforms
• Finish: Nitride treatment on both inside and outside surfaces for corrosion resistance and durability
• Muzzle: 1/2x28 threads with 11-degree target crown for precision and compatibility with common suppressors and muzzle devices
• Specifications: .750" gas block diameter, 1.9" gas block journal length, M4 barrel extension
• Weight: 1.61 lbs—a practical weight for a 20-inch hunting or sport rifle

Why Choose This Barrel

Faxon barrels are known for quality control and attention to detail. This 350 Legend option opens the door to a modern, efficient cartridge while maintaining compatibility with your existing AR-15 platform. Whether you're building a new rifle or upgrading an existing one, this barrel delivers the accuracy and reliability you expect from a purpose-built component.