Dirty Bird Bakersfield
Only 1 left in stock
Description
Upgrade your AR-15 build with the reliable Green Mountain 5.56 AR-15 Barrel in a 14.5″ M4 profile with phosphate finish. Engineered for precision and durability, this carbine-length gas system barrel delivers consistent performance for tactical applications and range use.
Key Features and Benefits
- Chrome-lined bore and chamber with phosphate exterior finish – Provides exceptional corrosion resistance and extended service life, reducing maintenance while maintaining accuracy over thousands of rounds.
- M4 contour profile – Balances lightweight handling with the rigidity needed for reliable feeding and sustained fire in demanding environments.
- 1:8 twist rate – Optimizes stabilization for a wide range of 5.56 NATO and .223 Remington ammunition, enhancing accuracy for both standard and heavier projectiles.
- Carbine-length gas system with 0.75″ journal – Ensures smooth cycling and reliable operation with standard carbine components.
- 1/2×28 muzzle threads – Compatible with a variety of muzzle devices for customization and recoil management.
Specifications
- Barrel Length: 14.5 inches
- Caliber: 5.56 NATO
- Platform: AR-15
- Finish: Phosphate + Chrome Lined
- Barrel Profile: M4
- Gas System: Carbine
- Gas Block Journal: 0.75 inches
- Twist Rate: 1:8
- Muzzle Thread: 1/2×28
- Weight: 29 oz
Why Choose This Product
Built to mil-spec standards, this Green Mountain barrel addresses common shooter concerns like barrel wear, feeding issues, and accuracy degradation. The chrome lining protects against the harsh conditions of high-volume shooting, while the M4 profile supports versatile builds without adding unnecessary bulk. Ideal for custom AR-15 projects requiring a compact, high-performance barrel.
Common Questions
Is this barrel pinned and welded ready? It features standard 1/2×28 threading suitable for most muzzle devices; professional installation is recommended for pinned configurations to comply with overall length requirements.
What ammunition performs best? The 1:8 twist stabilizes a broad spectrum of 5.56 NATO loads, including 55gr to 77gr projectiles for optimal results across defensive, training, and precision applications.
Additional information
| Weight | 29 oz |
|---|---|
| Dimensions | 14.5 in |
| Finish | Phosphate + Chrome Lined |
| Barrel Profile | M4 |
| Cartridge Compatibility | 5.56 NATO |
| Gas Block Journal | 0.75 |
| Barrel Length | 14.5 |
| Gas System Length | Carbine |
| Platform | AR-15 |
| Twist Rate | 1:8 |
| Muzzle Thread Pattern | 1/2×28 |
| MPN | GM-M29 |
| UPC | 33756 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
