Green Mountain .223 Wylde AR-15 Barrel 18" M4 416SS Fluted Passivated - GM-M18

Engineered for precision and performance, the Green Mountain .223 Wylde AR-15 Barrel delivers exceptional accuracy in a lightweight, fluted design. This 18-inch M4-profile barrel, crafted from premium 416 stainless steel with a passivated finish, is ideal for AR-15 builds seeking reliable long-range capabilities without excess weight.

Key Features

• Premium 416 Stainless Steel Construction: Provides superior corrosion resistance and durability for extended use in demanding conditions.
• Straight Fluted Profile: Reduces weight while maintaining structural integrity, enhancing handling and heat dissipation during rapid fire.
• .223 Wylde Chamber: Optimizes accuracy with both .223 Remington and 5.56 NATO ammunition for versatile shooting applications.
• 1:8 Twist Rate: Stabilizes a wide range of bullet weights, from lightweight varmint loads to heavier match projectiles.
• Rifle-Length Gas System: Ensures smooth, reliable cycling with reduced recoil for improved shooter control.

Technical Specifications

• Barrel Length: 18 inches
• Gas Block Journal: 0.75 inches
• Muzzle Thread Pattern: 1/2×28
• Platform: AR-15
• Finish: Passivated stainless steel
• Weight: 33.6 ounces

Why Choose This Product

Shooters often face challenges with heavy barrels that fatigue the shooter or compromise maneuverability. This Green Mountain barrel addresses those issues with its fluted design and balanced specs, offering a versatile solution for tactical, competition, or recreational builds. The passivated finish enhances longevity, while the M4 extension ensures seamless integration with standard AR-15 components. Precision machining supports consistent groupings, helping you achieve tighter shot patterns at distance.

Whether upgrading an existing rifle or starting a custom build, this barrel provides the foundation for reliable performance and accuracy.