Ruger AR-556 5.56 NATO Semi-Auto Rifle 16.1" Heavy Barrel 10+1

The Ruger AR-556 delivers reliable performance and proven accuracy in a platform built for serious shooters. This semi-automatic rifle combines Ruger's manufacturing expertise with time-tested AR-15 design principles to create a dependable firearm that excels across multiple applications.

What Makes This Different

Ruger's AR-556 features premium 7075-T6 aluminum forgings with hard coat anodizing for superior corrosion resistance compared to standard 6061 aluminum receivers. The heavy contour barrel profile provides enhanced accuracy and heat dissipation during extended shooting sessions. The mil-spec buffer tube and components ensure compatibility with aftermarket accessories and upgrades.

Key Features

• 16.10-inch heavy contour barrel in 5.56x45mm NATO/.223 Remington
• 7075-T6 aluminum upper and lower receivers with Type III hard coat anodizing
• 6-position collapsible M4-style buttstock with mil-spec buffer tube
• Optics-ready flat-top upper receiver with full-length Picatinny rail
• Standard AR-15 magazine compatibility (10-round included)
• Chrome-lined barrel with 1:8 twist rate for various bullet weights
• Single-stage trigger with standard AR-15 fire control group

The AR-556 performs consistently in competitive shooting, hunting applications, and tactical training environments. The heavy barrel contour maintains accuracy during rapid-fire sequences while the chrome lining extends barrel life. Weather-resistant hard coat anodizing protects against moisture and environmental exposure common in field conditions.

Technical Specs

• Caliber: 5.56x45mm NATO/.223 Remington
• Barrel Length: 16.10 inches, heavy contour, chrome-lined
• Overall Length: 32.25-35.50 inches (stock collapsed/extended)
• Weight: Approximately 6.5 pounds
• Magazine Capacity: 10+1 (10-round magazine included)
• Twist Rate: 1:8 inches
• Gas System: Direct impingement, carbine length
• Safety: Cross-bolt safety in trigger guard
• Finish: Type III hard coat anodized black
• Made in USA with lifetime service commitment

This rifle represents solid value engineering with components selected for durability and performance. The combination of proven design elements and Ruger's quality control standards creates a platform ready for immediate use or customization.