Heckler & Koch MR556 A4 5.56 NATO Pistol - 11" Barrel

The Heckler & Koch MR556 A4 is the latest update to the commercial version of the legendary HK416. Built with a short-stroke gas piston operating system, the MR556 A4 minimizes carbon fouling in the action, ensuring enhanced reliability, reduced maintenance, and extended component life. Its adjustable gas regulator allows tuning for suppressed or unsuppressed operation, making it a versatile platform. The fully ambidextrous lower receiver and M-LOK handguard provide flexibility and ease of use for shooters of all preferences. Compact and durable, the 11" barrel with a 1/2x28 threaded pattern is ideal for customization with suppressors or muzzle devices.

Specifications:

• Manufacturer: Heckler & Koch (HK USA)
• Model: MR556 A4
• Caliber: 5.56 NATO / .223 Remington
• Barrel Length: 11"
• Gas System: Short-Stroke Gas Piston
• Twist Rate: 1:7"
• Thread Pattern: 1/2x28 (Suppressor Ready)
• Capacity: 30+1
• Magazine: 1x 30-Round Included
• Stock: Collapsible/Folding Stock
• Grip: HK Enhanced Ergonomic Grip
• Receiver: Fully Ambidextrous Lower
• Handguard: M-LOK Compatible
• Sights: None (Optic Ready)
• Safety: Ambidextrous Safety Lever
• Finish: Black
• Weight: 6.61 lbs. (Unloaded)
• Overall Length: 26.5"

The HK MR556 A4 delivers an iconic platform known for its reliability to the consumers hands, making it a premier choice for those seeking top-tier performance or clone-ish correct nostalgia.