Green Mountain .223 Wylde AR-15 Barrel 16" M4 Nitride
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MSRP
$187.95
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Updated
Aug 26, 2026
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Specifications
Brand
MPN
GM-M57
Description
Upgrade your AR-15 build with the precision-engineered Green Mountain .223 Wylde AR-15 Barrel 16" M4 Nitride. Designed for versatility and reliability, this barrel delivers exceptional accuracy for both .223 Remington and 5.56 NATO ammunition, making it an ideal choice for tactical applications, range sessions, and defensive setups.Key Features Nitride/Melonite finish provides superior corrosion resistance and reduced friction for extended barrel life and easier maintenance in harsh environments. M4 profile balances weight and rigidity, offering a lightweight yet durable option that maintains structural integrity during rapid fire. .223 Wylde chamber optimizes performance with both .223 and 5.56 loads, enhancing accuracy without compromising safety or reliability. 1:8 twist rate stabilizes a wide range of bullet weights for consistent groupings at varying distances. 16-inch length with mid-length gas system promotes smooth cycling and reduced recoil for improved shooter control.Specifications Finish: Nitride / Melonite Barrel Profile: M4 Cartridge Compatibility: .223 Wylde Gas Block Journal: 0.75 Barrel Length: 16" Gas System Length: Midlength Platform: AR-15 Twist Rate: 1:8 Muzzle Thread Pattern: 1/2x28 Weight: 30.8 ozWhy Choose This BarrelThis Green Mountain barrel addresses common pain points for AR-15 enthusiasts, such as inconsistent accuracy across ammunition types and barrel wear from frequent use. The nitride coating protects against rust and fouling, while the .223 Wylde chamber ensures tight groupings whether you're using match-grade or surplus ammo. Its mid-length gas system reduces gas blowback compared to carbine-length setups, contributing to a smoother shooting experience and less felt recoil.Built on the proven AR-15 platform, this 16" M4-profile barrel integrates seamlessly with standard uppers and handguards, allowing for easy customization. The 0.75" gas block journal accommodates a variety of gas blocks, and the 1/2x28 threading supports popular muzzle devices for recoil mitigation or sound suppression.Whether you're assembling a new rifle or replacing an existing barrel, this component provides the reliability and performance needed for tactical training or recreational shooting.
