FN AR-15 Button Rifled Barrel 16 Inch 1:7 Mid-Length Gas

Description

The FN AR-15 Button Rifled Barrel is a premium option for builders and enthusiasts looking to upgrade their AR-15 platform rifle with quality American manufacturing. FN Herstal, a world-renowned firearms manufacturer with over a century of precision engineering, brings that expertise directly to the consumer market with this exceptional barrel. The FN AR-15 Button Rifled Barrel delivers the accuracy, durability, and reliability that professionals and serious shooters demand. This is not a budget component—this is a commitment to excellence that will serve you reliably for thousands of rounds.

FN AR-15 Button Rifled Barrel — Key Specifications

• Barrel Length: 16 inches
• Twist Rate: 1:7 (optimized for 55-77 grain projectiles)
• Profile: Government weight mid-length gas tube
• Rifling Method: Button rifled for consistency and bore finish
• Caliber: 5.56 NATO/.223 Remington
• Material: 4150 Chrome Moly Steel
• Threading: Standard 1/2×28 TPI muzzle threads
• Finish: Parkerized or hard coat anodized

Performance & Reliability

The FN AR-15 Button Rifled Barrel excels in delivering consistent accuracy from the first round downrange to the last. Button rifling produces a smooth bore with excellent concentricity, which translates to tighter groupings and more predictable ballistics. The 1:7 twist rate is the industry standard for modern 5.56 NATO applications, making it exceptionally versatile across a wide range of ammunition weights and configurations. FN’s manufacturing standards ensure minimal runout and maximum consistency barrel to barrel.

Mid-length gas systems provide superior ergonomics and impulse characteristics compared to other configurations. The FN AR-15 Button Rifled Barrel’s government profile balances strength with weight, making it suitable for both tactical applications and precision shooting. Shooters report that FN barrels maintain accuracy and reliability even after thousands of rounds, a testament to the quality of materials and craftsmanship. The chrome moly steel resists wear and corrosion, extending the service life significantly compared to budget alternatives.

Real-world performance testing demonstrates that the FN AR-15 Button Rifled Barrel consistently groups within 1-2 MOA at 100 yards when paired with quality ammunition and proper setup. The smooth button-rifled bore minimizes fouling and makes cleaning easier than traditional hammer-forged barrels. Many military and law enforcement users prefer FN barrels for their dependable zero retention and shot-to-shot consistency. Whether running suppressed or unsuppressed, this barrel maintains the reliability that operators depend on.

Intended Use & Applications

The FN AR-15 Button Rifled Barrel appeals to serious builders, competition shooters, and tactical enthusiasts who refuse to compromise on quality. AR-15 builders selecting this barrel recognize that the platform is only as good as its most critical component—the barrel. Whether you’re building a precision AR rifle for competition, a home defense system, or a general-purpose carbine, this barrel provides the foundation for excellence. The 16-inch length offers the ideal balance of velocity, handling characteristics, and sight radius for most applications.

Law enforcement and military-adjacent shooters have relied on FN barrels for decades, and civilian shooters benefit from that battle-tested reputation. The FN AR-15 Button Rifled Barrel is ideal for those building a rifle that needs to perform reliably under stress and demand. Whether at the range, on patrol, or in competition, shooters who select this barrel know they’ve invested in durability and accuracy. The mid-length gas system runs soft, reducing felt recoil and improving shooter control for follow-up shots.

Precision shooters value the FN AR-15 Button Rifled Barrel for its ability to shoot tight groups consistently, making it perfect for benchrest competitions and long-range precision work. The 1:7 twist accommodates the heavier match-grade ammunition that competitive shooters prefer. Hunters building dedicated AR rifles also appreciate the reliability and accuracy that enables ethical, clean kills at extended ranges. This barrel supports everything from casual plinking to serious competition and professional applications.

Why Buy From CaliperDepot?

CaliperDepot specializes in premium firearms components and ammunition, maintaining rigorous inventory of trusted brands like FN. Our commitment to stocking quality products means you get genuine FN barrels—not knockoffs or inferior alternatives—backed by the manufacturer’s reputation. Fast, reliable shipping ensures your FN AR-15 Button Rifled Barrel arrives quickly so you can move forward with your build. Our competitive pricing reflects our operational efficiency and direct relationships with manufacturers, saving you money on premium components.

Our customer service team understands AR-15 builds and can answer questions about compatibility and installation. We maintain deep inventory of popular components so the FN AR-15 Button Rifled Barrel is in stock and ready to ship. Whether you’re a first-time builder or a seasoned gunsmith, shopping with CaliperDepot means you’re working with people who know firearms. We stand behind every product we sell with a straightforward return policy and responsive support.

The FN AR-15 Button Rifled Barrel represents an excellent value for builders who want professional-grade quality without professional-grade price tags. Order your FN AR-15 Button Rifled Barrel from CaliperDepot today and take the first step toward building an accurate, reliable rifle that will serve you for decades. Our in-stock inventory and fast shipping mean your barrel will be in your hands quickly. Don’t settle for less than the best—choose FN through CaliperDepot and experience the difference that quality manufacturing makes.