Green Mountain .223 Wylde AR-15 Barrel 18" M4 416SS Passivated - GM-M35

Upgrade your AR-15 build with the Green Mountain .223 Wylde AR-15 Barrel, an 18-inch M4-profile precision component crafted from 416 stainless steel with a durable passivated finish. Designed for shooters who demand reliability and versatility, this barrel excels in both range sessions and tactical applications by delivering consistent accuracy across a wide range of .223 and 5.56 ammunition.

Key Features and Benefits

• Optimized .223 Wylde Chamber: The hybrid chamber ensures reliable feeding and extraction while supporting both .223 Remington and 5.56 NATO loads for maximum flexibility without compromising performance.
• M4 Barrel Profile: The classic M4 contour balances weight and rigidity, providing excellent heat dissipation during sustained fire and maintaining point-of-impact consistency.
• 416 Stainless Steel Construction: Premium 416SS material offers superior corrosion resistance and longevity, even in harsh environments, while the passivation process enhances surface protection against wear and oxidation.
• Rifle-Length Gas System: Paired with a 0.75-inch gas block journal, this setup promotes smooth cycling, reduced recoil, and improved reliability for your AR-15 platform.
• 1:16 Twist Rate and 1/2×28 Muzzle Threads: The 1:16 twist stabilizes a variety of bullet weights effectively, while standard threading allows easy attachment of suppressors, flash hiders, or compensators.

Technical Specifications

• Barrel Length: 18 inches
• Platform: AR-15
• Finish: Passivated Stainless
• Gas System: Rifle length
• Weight: 35 oz
• Button-rifled for precision

Why Choose This Green Mountain Barrel?

Green Mountain Rifle Barrel Company has built a reputation for quality since 1976, producing components trusted by competitive shooters and builders alike. This passivated 416SS barrel addresses common pain points like corrosion in humid conditions and inconsistent accuracy by combining proven manufacturing techniques with a versatile chambering. Whether you’re assembling a new rifle or replacing an existing barrel, it provides a solid foundation for a dependable, accurate firearm.

Invest in precision engineering that elevates your AR-15’s potential—order the Green Mountain .223 Wylde 18″ M4 barrel today and experience the difference in your next build.