Dirty Bird Bakersfield
Out of stock
Description
Engineered for precision and reliability in compact AR-15 platforms, the Green Mountain 5.56 NATO 11.5″ M4 A1 barrel delivers professional-grade performance for tactical builds, SBR configurations, and home defense setups. This carbine-length barrel combines a durable M4 profile with advanced manufacturing to ensure consistent accuracy and dependable function in demanding conditions.
Key Features and Benefits
- Chrome-lined bore and chamber enhances corrosion resistance, simplifies cleaning, and extends barrel life while maintaining tight tolerances for superior accuracy.
- M4 profile construction provides an optimal balance of weight reduction and heat dissipation, improving handling during sustained fire without sacrificing structural integrity.
- 1:7 twist rate stabilizes a wide range of bullet weights, including heavier 62-77 grain projectiles, for versatile performance across ammunition types.
- Carbine gas system paired with the 11.5″ length promotes reliable cycling and smooth operation in shorter configurations.
- Phosphate exterior finish offers excellent protection against rust and wear, ideal for harsh environments.
Technical Specifications
- Barrel Length: 11.5 inches
- Profile: M4
- Chamber: 5.56 NATO
- Twist Rate: 1:7
- Gas System: Carbine
- Gas Block Journal: 0.75 inches
- Muzzle Threading: 1/2×28
- Finish: Phosphate with chrome-lined bore and chamber
- Platform Compatibility: AR-15
Why Choose the Green Mountain 11.5″ M4 Barrel
Whether building a compact pistol or short-barreled rifle, this barrel addresses common pain points like excessive weight, poor reliability, and premature wear. The combination of proven materials and precise engineering ensures your firearm performs consistently shot after shot. Its chrome lining and phosphate coating make maintenance straightforward while preserving accuracy over thousands of rounds.
Upgrade your AR-15 with a barrel trusted by serious shooters for its balance of compact size, durability, and precision.
Additional information
| Weight | 24.8 oz |
|---|---|
| Dimensions | 11.5 in |
| Finish | Phosphate + Chrome Lined |
| Barrel Profile | M4 |
| Cartridge Compatibility | 5.56 NATO |
| Gas Block Journal | 0.75 |
| Barrel Length | 11.5 |
| Gas System Length | Carbine |
| Platform | AR-15 |
| Twist Rate | 1:7 |
| Muzzle Thread Pattern | 1/2×28 |
| MPN | GM-M64 |
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.
