Upgrade your AR-15 build with the Green Mountain 7.62×39 16″ M4 Nitride barrel, engineered for reliable performance in tactical and sporting applications. This precision-crafted barrel combines a durable nitride finish with an M4 profile to deliver exceptional accuracy, corrosion resistance, and lightweight handling without compromising strength.
Key Features and Benefits
- Nitride Finish: The salt bath nitride treatment provides superior hardness and corrosion resistance, extending barrel life and maintaining performance in harsh environments while reducing maintenance needs.
- M4 Barrel Profile: Offers an optimal balance of weight and rigidity for faster handling and reduced fatigue during extended use, ideal for dynamic shooting scenarios.
- 7.62×39 Cartridge Compatibility: Specifically chambered for 7.62×39 ammunition, ensuring reliable feeding, extraction, and consistent velocities from standard AR-15 platforms.
- Carbine Gas System: Designed with a carbine-length gas system and 0.75″ gas block journal for smooth cycling and compatibility with a wide range of AR-15 uppers and handguards.
- 1:9.5 Twist Rate: Stabilizes a broad range of 7.62×39 bullet weights for excellent accuracy at typical engagement distances.
- 5/8×24 Muzzle Threads: Allows easy attachment of suppressors, muzzle brakes, or flash hiders to customize recoil management and sound signature.
Technical Specifications
- Barrel Length: 16 inches
- Finish: Nitride / Melonite
- Profile: M4
- Platform: AR-15
- Gas System: Carbine
- Twist Rate: 1:9.5
- Muzzle Thread: 5/8×24
- Gas Block Journal: 0.75 inches
- Weight: 30 oz
Why Choose This Barrel?
Whether you’re building a versatile 7.62×39 AR-15 for home defense, range work, or hunting, this Green Mountain barrel addresses common pain points like premature wear, inconsistent accuracy, and heavy weight. Its nitride-treated 4150 CMV steel construction ensures long-term durability and precision that serious shooters demand. The carbine gas setup promotes reliable function with standard buffers and springs, minimizing the need for custom tuning.
Invest in a barrel that enhances your rifle’s overall performance and longevity. Pair it with quality components to complete a dependable build that stands up to rigorous use.

