Home / Rifle Barrels / AR15 Discounts / Green Mountain 5.56 AR-15 Barrel 16" M4 Nitride
Green Mountain 5.56 AR-15 Barrel  16" M4 Nitride

Green Mountain 5.56 AR-15 Barrel 16" M4 Nitride

Lowest Listed Price
$187.95
MSRP
$187.95
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Updated
Aug 26, 2026
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Specifications

MPN
GM-M53

Description

Upgrade your AR-15 build with the reliable Green Mountain 5.56 AR-15 Barrel 16" M4 Nitride. Engineered for precision and durability, this carbine-length barrel delivers consistent performance for tactical applications, range sessions, and defensive setups.Key Features and Benefits Nitride (Melonite) Finish: Provides exceptional corrosion resistance and reduced friction for smoother operation and extended barrel life in demanding environments. M4 Profile Design: Balances weight and strength with a proven contour that supports reliable cycling and heat dissipation during sustained fire. 1:7 Twist Rate: Optimizes stabilization for a wide range of 5.56 NATO and .223 Remington projectiles, enhancing accuracy across various loads. Carbine Gas System: Ensures reliable function with standard AR-15 components while maintaining a compact overall length. 0.750" Gas Block Journal: Compatible with most low-profile and standard gas blocks for flexible customization. 1/2x28 Muzzle Threads: Allows easy attachment of muzzle devices, suppressors, or flash hiders to fine-tune your setup.Technical Specifications Barrel Length: 16 inches Chamber: 5.56 NATO Platform: AR-15 Gas System: Carbine length Twist Rate: 1:7 Finish: Nitride / Melonite Profile: M4 Gas Block Journal: 0.75 inches Muzzle Thread: 1/2x28 Weight: 31 ouncesWhy Choose This Barrel?This Green Mountain barrel addresses common shooter concerns like barrel wear, accuracy consistency, and compatibility. The nitride treatment resists rust and fouling better than traditional finishes, reducing maintenance needs. Its M4 profile and 1:7 twist make it versatile for both lighter varmint loads and heavier defensive ammunition, delivering tight groups without excessive weight.Built to mil-spec standards from high-quality steel, it integrates seamlessly into AR-15 platforms for reliable feeding and extraction. Whether you're assembling a new rifle or replacing a worn barrel, this component supports enhanced control and longevity.Experience the difference a quality barrel makes in your next build-precision engineering that performs when it matters most.

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