Description
Upgrade your AR-15 build with the reliable Green Mountain 5.56 AR-15 Barrel 10.5″ M4 Phosphate. Engineered for precision and durability, this carbine-length barrel delivers consistent performance in tactical and range applications, helping shooters achieve tight groupings and dependable function even under demanding conditions.
Key Features
- Chrome-lined bore for superior corrosion resistance and extended barrel life, reducing maintenance needs during frequent use.
- M4 profile provides an optimal balance of weight savings and strength, making it ideal for lightweight builds without sacrificing rigidity.
- 1:7 twist rate stabilizes a wide range of 5.56 NATO and .223 Remington projectiles for enhanced accuracy across various ammunition types.
- Phosphate finish over chrome lining offers rugged protection against wear and environmental factors.
- 1/2×28 muzzle threads allow easy installation of compatible flash hiders, compensators, or suppressors.
Specifications
- Barrel Length: 10.5 inches
- Gas System: Carbine length with 0.75″ gas block journal
- Platform: AR-15
- Cartridge Compatibility: 5.56 NATO
- Finish: Phosphate with chrome-lined bore
- Weight: 23.2 ounces
Why Choose This Product
This Green Mountain barrel addresses common pain points for builders seeking a short-barreled option that maintains reliability. The carbine gas system and chrome lining promote smooth cycling and longevity, while the 1:7 twist ensures versatility for both duty and recreational shooting. Its M4 contour helps manage heat and recoil in rapid-fire scenarios.
Whether assembling a new SBR or refreshing an existing upper, this barrel provides the technical foundation for a high-performing firearm.
Common Questions
Install this barrel using standard AR-15 components and proper headspacing techniques for optimal results.
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