Aero Precision 5.56 14.5" CMV Pinned and Welded Barrel w/ Gamma 556SL

Upgrade your AR-15 build with the Aero Precision 5.56 Pinned and Welded 14.5" CMV Barrel w/ Gamma 556SL, engineered for precision, reliability, and compliance. This mil-spec barrel delivers exceptional accuracy and durability, perfect for tactical enthusiasts seeking a compact yet legal 16-inch overall length setup without the hassle of SBR registration. Key Features Premium Construction: Crafted from 4150 Chrome Moly Vanadium (CMV) steel with a QPQ Nitride finish for superior corrosion resistance and longevity in demanding conditions. Pinned and Welded Design: The 14.5-inch barrel is permanently affixed with the VG6 Gamma 556SL hybrid muzzle device, ensuring ATF-compliant 16-inch length while maintaining a maneuverable profile. Advanced Muzzle Control: The Gamma 556SL features an aggressive 3-chamber design that significantly reduces recoil and muzzle rise, enhancing follow-up shot speed and control. Optimized for Performance: Mid-length gas system paired with a 1:7 twist rate stabilizes heavier bullets, ideal for 5.56 NATO ammunition in home defense or range applications. HP and MPI Tested: High-pressure proofed and magnetic particle inspected for flawless reliability and safety. Specifications Barrel Length: 14.5 inches (16 inches overall with pinned device) Caliber: 5.56 NATO Gas System: Mid-Length Twist Rate: 1:7 Profile: Government Gas Block Journal: 0.750 inches Muzzle Thread: 1/2x28 Finish: Nitride / Melonite Platform: AR-15 Weight: 26.4 oz Why Choose This Product This barrel addresses common AR-15 builder challenges by combining compactness with legal compliance, eliminating the need for special permits. Its mid-length gas system offers smoother operation and reduced wear compared to carbine-length alternatives, while the Gamma 556SL minimizes flash and recoil for better low-light performance and shooter comfort. Whether you're customizing a duty rifle or personal defense weapon, this setup provides sub-MOA potential with quality ammo, backed by Aero Precision's reputation for value-driven excellence. Frequently Asked Questions Q: Is this barrel legal without an SBR stamp? A: Yes, the pinned and welded Gamma 556SL extends the overall length to 16 inches, complying with federal regulations for non-NFA firearms. Q: What type of steel is used in this barrel? A: It's made from 4150 CMV steel, known for its strength and heat resistance, ensuring consistent performance under high-volume fire. Q: Does it include a gas block or tube? A: No, this is a barrel-only assembly. It requires a separate low-profile gas block and mid-length gas tube for installation. Ready to enhance your AR-15's accuracy and control? Secure your Aero Precision 5.56 Pinned and Welded Barrel today and experience the difference in your next build.