Upgrade your AR-15 with the precision-engineered FN America AR15 Barrel 14.7″ BB M16 5.56 Midlength, a top-tier choice for shooters seeking reliable performance in a compact package. Crafted by FN America, renowned for military-grade quality, this button-rifled barrel delivers exceptional accuracy and durability, making it ideal for tactical builds, home defense, or range sessions. With its midlength gas system, it balances velocity and reduced recoil for smoother shooting and extended barrel life.
Key Features
- Button Rifling and Chrome-Lined Bore: Ensures consistent rifling for superior accuracy and easy cleaning, stabilizing a wide range of 5.56 NATO and .223 Remington ammunition.
- M4-Style Feed Ramps: Promotes flawless feeding and ejection, minimizing malfunctions during high-volume fire.
- Manganese Phosphate Finish: Provides robust corrosion resistance, protecting against environmental wear in demanding conditions.
- Government/SOCOM Profile: Optimized for weight reduction without sacrificing strength, enhancing maneuverability for close-quarters use.
- Pinned to 16″ OAL: Complies with federal regulations, avoiding NFA restrictions while maintaining a compact 14.7-inch length for agility.
Technical Specifications
- Barrel Length: 14.7 inches (pinned to 16 inches overall)
- Caliber: 5.56 NATO / .223 Remington
- Gas System: Midlength
- Twist Rate: 1:7 RH for optimal bullet stabilization
- Muzzle Threads: 1/2×28 for versatile suppressor or muzzle device attachment
- Gas Block Journal: 0.750 inches
- Weight: Approximately 1.9 lbs
- Material: High-quality steel with chrome-lined chamber
Why Choose the FN America 14.7″ Midlength Barrel?
This barrel addresses common shooter pain points like excessive recoil from shorter carbine systems and accuracy loss in longer setups. The midlength gas configuration reduces felt recoil by up to 20% compared to carbine lengths, allowing faster follow-up shots and less fatigue during extended sessions. Its 1:7 twist rate excels with heavier bullets for varmint hunting or long-range precision, while the durable construction withstands thousands of rounds without degradation. Perfect for custom AR-15 builds, it integrates seamlessly with standard mil-spec uppers, ensuring drop-in compatibility and professional-grade results.
Elevate your rifle’s performance today—invest in the FN America AR15 Barrel 14.7″ BB M16 5.56 Midlength for unmatched reliability and precision that serious shooters demand.
Frequently Asked Questions
- Q: Is this barrel compatible with standard AR-15 platforms?
A: Yes, designed for AR-15 rifles, it features mil-spec dimensions for easy installation on most upper receivers. - Q: What are the benefits of a midlength gas system over carbine?
A: Midlength systems offer smoother cycling, reduced recoil, and better reliability with suppressors, ideal for 14.7-inch barrels. - Q: Does the barrel come pre-pinned for legal compliance?
A: It is pinned to achieve a 16-inch overall length, ensuring compliance with federal rifle regulations without requiring an SBR stamp.

