Engineered for serious shooters and hunters, the Green Mountain 350 Legend AR-15 Barrel combines proven manufacturing quality with modern performance features. This 16-inch Government-profile barrel is specifically chambered in .350 Legend, offering straight-wall cartridge compatibility and reliable function in AR-15 platforms while delivering the accuracy and durability demanded in the field or at the range.
Key Features
- Nitride / Melonite finish provides exceptional corrosion resistance and reduced friction for smoother operation and extended barrel life without the need for frequent maintenance.
- Government / SOCOM profile balances weight and rigidity, ensuring stability during rapid fire while maintaining a manageable overall firearm weight for improved maneuverability.
- 1:16 twist rate stabilizes a wide range of .350 Legend projectiles for consistent accuracy across hunting and target applications.
- Carbine-length gas system paired with a 0.75-inch gas block journal delivers reliable cycling and smooth recoil impulse in standard AR-15 configurations.
- 1/2×28 muzzle thread pattern allows easy installation of compatible muzzle devices, brakes, or suppressors for enhanced control and versatility.
Specifications
- Barrel Length: 16 inches
- Cartridge Compatibility: .350 Legend
- Platform: AR-15
- Barrel Profile: Government / SOCOM
- Finish: Nitride / Melonite
- Gas System: Carbine
- Gas Block Journal: 0.75 inches
- Twist Rate: 1:16
- Muzzle Thread: 1/2×28
- Weight: 30 oz
Why Choose This Barrel
Whether building a dedicated hunting rifle or upgrading an existing AR-15 for straight-wall cartridge use, this barrel addresses common pain points such as barrel wear, inconsistent cycling, and limited accessory options. The nitride treatment resists rust and fouling far better than traditional finishes, while the precise chamber and rifling ensure reliable feeding and extraction. Its carbine gas system and standard threading make it a drop-in solution for most builders seeking proven performance without custom modifications.
Upgrade your AR-15 with a barrel designed for real-world reliability. Discover the difference precision engineering makes in your next build.

