Heckler & Koch MR556 Juggernaut Tactical Hellfighter 5.56 NATO Blue/Black Rifle

Description

Product Overview

The Heckler & Koch MR556 is a semi-automatic rifle chambered for 5.56 NATO and .223 Remington. It features a 16.5-inch cold hammer forged barrel, a short-stroke gas piston operating system, a six-position collapsible synthetic stock, and a 9-inch modular rail system. The Blue/Black finish and Juggernaut Tactical Hellfighter configuration provide a practical setup for compliant ownership and accessory customization. The rifle is supplied with one 10-round magazine.

Key Features

• Short-stroke gas piston system supports reliable semi-automatic operation with reduced direct gas fouling.
• Cold hammer forged 16.5-inch barrel provides durable service life and consistent accuracy.
• Chambered for both 5.56 NATO and .223 Remington ammunition.
• Six-position collapsible synthetic stock allows length-of-pull adjustment and easier storage.
• 9-inch modular rail system provides flexible accessory mounting options.
• Optic-ready design supports the addition of a red dot, scope, or other aiming optic.

The HK MR556 combines piston-driven operation, adjustable ergonomics, and modular accessory support in a compliant rifle configuration.