Green Mountain .223 Wylde AR-15 Barrel 18" M4 416SS Passivated - GM-M24

Upgrade your AR-15 build with the precision-engineered Green Mountain .223 Wylde 18-inch M4 barrel, crafted from premium 416 stainless steel with a durable passivated finish. This barrel delivers exceptional accuracy and versatility for tactical, competition, or recreational shooting, optimizing performance across a wide range of ammunition.

Key Features and Benefits

• .223 Wylde Chamber: Combines the accuracy of .223 Remington with the reliability of 5.56 NATO, allowing safe use of both while maximizing precision and reducing pressure issues for consistent groupings.
• M4 Profile and Rifle Gas System: Provides an ideal balance of lightweight handling and barrel rigidity for faster target acquisition and reduced muzzle rise during rapid fire.
• 1:8 Twist Rate: Stabilizes heavier projectiles up to 77 grains and beyond, enhancing long-range accuracy and versatility for match-grade loads.
• 416 Stainless Steel Construction: Offers superior corrosion resistance and longevity, with a passivated surface that maintains a professional matte appearance under demanding conditions.
• Button-Rifled, Air-Gauged, and Stress-Relieved: Ensures tight tolerances for sub-MOA potential when paired with quality components and ammunition.

Specifications

• Barrel Length: 18 inches
• Profile: M4
• Gas System: Rifle length
• Gas Block Journal: 0.75 inches
• Muzzle Thread: 1/2×28
• Platform: AR-15
• Finish: Passivated stainless
• Weight: 35.2 ounces

Why Choose This Barrel?

Designed for shooters who demand reliability without excess weight, this barrel addresses common pain points like inconsistent accuracy and premature wear. Its nickel boron-coated extension with M4 feed ramps promotes smooth feeding, while the overall construction supports high-volume use in varied environments.

Whether building a new rifle or upgrading an existing one, this Green Mountain barrel provides the foundation for a dependable, accurate firearm that performs when it matters most.