Enhance your AR-15 build with a reliable, compact barrel designed for optimal performance in tactical and precision applications. The 12.5" 5.56 M4 Profile Carbine Length AR 15 Barrel delivers the balance of maneuverability and velocity needed for close-quarters configurations while maintaining compatibility with standard 5.56 NATO ammunition. Key Features Nitride / Melonite finish for superior corrosion resistance and reduced maintenance in demanding environments. M4 profile construction provides a proven balance of strength and weight savings for enhanced handling. Carbine-length gas system ensures reliable cycling with a wide range of ammunition loads. 1:7 twist rate stabilizes heavier projectiles for improved accuracy at extended ranges. 1/2x28 muzzle thread pattern allows easy attachment of compatible muzzle devices and suppressors. Benefits for Your Build This barrel addresses common challenges in compact AR-15 setups by offering consistent gas operation and durable materials that withstand high-round-count use. The 0.75" gas block journal fits standard low-profile gas blocks, simplifying installation and customization. Whether building an SBR or pistol configuration, it supports precise shot placement and dependable function. Technical Specifications Barrel Length: 12.5 inches Cartridge Compatibility: 5.56 NATO Platform: AR-15 Gas System Length: Carbine Gas Block Journal: 0.75 inches Twist Rate: 1:7 Muzzle Thread Pattern: 1/2x28 Finish: Nitride / Melonite Barrel Profile: M4 Weight: 25.6 oz Why Choose This Barrel Built to exacting standards for AR-15 enthusiasts, this component prioritizes real-world reliability without unnecessary extras. The design promotes consistent performance across varied conditions, helping users achieve their accuracy goals while keeping the overall firearm compact and responsive. Upgrade your next project with this precision-engineered barrel and experience the difference in build quality and functionality.