Aero Precision 5.56 Pinned and Welded 14.5" CMV Barrel w/ Gamma 556SL - APRH100067C

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: 1/2×28
• 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.