Rock River Arms MR556 A4 5.56 Carbine 11" Gray

Rock River Arms MR556 A4: Compact Carbine Excellence

The Rock River Arms MR556 A4 represents a thoughtful approach to modern rifle design. This 5.56 NATO carbine delivers the reliability you expect from a quality manufacturer in a compact package that doesn't compromise on performance.

Key Features

• Barrel Length: 11-inch barrel optimizes velocity while maintaining maneuverability
• Capacity: 10+1 round magazine configuration
• Caliber: 5.56 NATO—the standard intermediate cartridge for sport and defensive use
• Finish: Gray anodized coating for durability and corrosion resistance
• Platform: A4-pattern design with proven ergonomics and controls

What You Get

This carbine is built on Rock River Arms' reputation for quality manufacturing. The A4 configuration provides familiar controls and handling characteristics that appeal to both experienced shooters and those new to the platform. The 11-inch barrel strikes a balance between velocity retention and portability, making this rifle suitable for range work, sport shooting competitions, or home defense applications.

The gray finish offers a professional appearance while providing practical protection against wear and the elements.

Ideal For

Shooters seeking a compact, reliable 5.56 platform with quality construction and proven design principles.