FN America AR15 Barrel 16" HF M4 5.56 Carbine - 20-100047

Elevate your AR-15 build with the FN America 16″ HF M4 5.56 Carbine Barrel, a precision-engineered component designed for unmatched reliability and performance. As a trusted name in firearms manufacturing, FN America delivers this cold hammer forged barrel to meet the demands of tactical shooters, hunters, and competitive marksmen who require superior accuracy and durability in a compact carbine configuration.

Key Features

This barrel stands out with its robust construction and thoughtful design, ensuring it withstands rigorous use while optimizing your rifle’s potential.

• Cold Hammer Forged Process: Forged from high-grade Chrome Moly Vanadium steel for exceptional strength and resistance to wear, ideal for high-round-count sessions without compromising integrity.
• Chrome-Lined Bore and Chamber: Provides smooth feeding, reduces throat erosion, and offers superior corrosion protection, keeping your barrel performing flawlessly even in harsh environments.
• M4 Style Feed Ramps: Enhances reliable cycling and extraction, minimizing malfunctions during rapid fire or suppressed shooting.
• Manganese Phosphate Finish: Delivers a matte black exterior that resists external corrosion and oxidation, maintaining a professional look over time.

Specifications

Built to mil-spec standards, this barrel integrates seamlessly into your AR-15 platform for a balanced and versatile setup.

• Barrel Length: 16 inches – The optimal length for maneuverability without sacrificing velocity.
• Profile: M4 – Lightweight yet effective for heat dissipation during extended use.
• Caliber: 5.56 NATO – Compatible with .223 Remington for versatile ammunition options.
• Twist Rate: 1:7 RH – Stabilizes a wide range of bullet weights for improved accuracy at various distances.
• Gas System: Carbine length – Ensures reliable operation with standard AR-15 components.
• Gas Block Journal: 0.75 inches – Accommodates low-profile gas blocks for a clean, customized build.
• Muzzle Threads: 1/2×28 – Ready for muzzle devices, flash hiders, or suppressors.
• Weight: Approximately 32.32 ounces – Adds minimal bulk to your rifle.

Why Choose This Product

For AR-15 enthusiasts frustrated with barrels that overheat quickly or lose accuracy after moderate use, the FN America 16″ HF M4 5.56 Carbine Barrel addresses these issues head-on. Its cold hammer forged design and chrome lining promote consistent grouping—typically 1-1.5 MOA with match ammo—while the carbine gas system reduces recoil impulse for faster follow-up shots. Whether you’re building a duty rifle, home defense setup, or range companion, this barrel enhances overall reliability, allowing you to focus on the target rather than equipment failures. Its proven performance in demanding conditions makes it a smart upgrade for anyone seeking mil-spec quality at an accessible level.

Equip your AR-15 with the FN America 16″ HF M4 5.56 Carbine Barrel and unlock peak performance. Order now to transform your build into a precision instrument ready for any challenge.

Frequently Asked Questions

Is the barrel compatible with standard AR-15 uppers?
Yes, this barrel is designed for the AR-15 platform and fits standard mil-spec receivers, ensuring easy integration into your existing build.

Does it support suppressor use?
Absolutely, the 1/2×28 muzzle threading allows direct attachment of compatible suppressors, with the chrome lining aiding in heat management during prolonged suppressed fire.

What kind of accuracy can I expect?
With proper ammunition and optic setup, users report consistent 1-1.5 MOA groups, making it suitable for both close-quarters and mid-range engagements.