Discover precision engineering with the Green Mountain .223 Wylde AR-15 Barrel, an 18-inch M4-profile option crafted from premium 416 stainless steel. Designed for serious shooters, this fluted, passivated barrel delivers exceptional accuracy and reliability for your AR-15 platform builds.
Key Features
- Optimized .223 Wylde Chamber: Combines the best of .223 Remington and 5.56 NATO chambers for superior accuracy across a wide range of ammunition while maintaining safe compatibility.
- Fluted Straight Profile: Reduces weight without sacrificing rigidity, resulting in a balanced, maneuverable rifle ideal for extended range sessions or tactical applications.
- Premium 416 Stainless Steel Construction: Offers outstanding corrosion resistance and durability, enhanced by a bead-blasted matte finish with passivation for a sleek, low-maintenance appearance.
- Button-Rifled with 1:8 Twist: Ensures consistent stabilization for a variety of bullet weights, promoting tight groupings and reliable performance.
- Rifle-Length Gas System: Provides smooth cycling and reduced recoil for a more enjoyable shooting experience.
Specifications
- Barrel Length: 18 inches
- Gas System: Rifle length with 0.75-inch gas block journal
- Twist Rate: 1:8
- Muzzle Thread: 1/2×28
- Finish: Stainless with passivation
- Platform: AR-15
- Weight: 33.6 ounces
- Additional: M4 feed ramps, nickel boron coated extension, air-gauged and stress-relieved
Why Choose This Barrel
Whether you’re building a competition rifle or upgrading an existing AR-15, this barrel addresses common pain points like excessive weight, inconsistent accuracy, and corrosion in demanding environments. The fluted design lightens your setup for better handling, while the .223 Wylde chamber maximizes versatility and precision. Green Mountain’s reputation for quality machining ensures each barrel meets high standards for concentricity and performance.
Upgrade your AR-15 with a barrel engineered for accuracy and longevity. Experience the difference that precision craftsmanship makes in your next build or range day.


