Heckler & Koch MR556 A4 5.56 Nato Rifle 16.5" Barrel

Heckler & Koch MR556 A4 Rifle - 5.56 NATO / .223 Remington

The Heckler & Koch MR556 A4 is the pinnacle of AR performance, built with the legendary reliability and durability of the HK416. This enhanced commercial variant features a 16.5" cold-hammer-forged match barrel with suppressor-ready 1/2x28 threads, making it a top choice for precision shooting. Its short-stroke gas piston operating system ensures clean, reliable performance with less maintenance than traditional direct-impingement rifles. The ambidextrous controls, adjustable gas block, and slim M-LOK handguard with integral QD cups make the MR556 A4 a versatile and user-friendly platform. Designed for those who demand uncompromising quality, the MR556 A4 delivers unmatched performance in every scenario.

Specifications:

• Manufacturer: Heckler & Koch
• Model: MR556 A4
• Caliber: 5.56 NATO / .223 Remington
• Action: Semi-Automatic, Short-Stroke Gas Piston
• Barrel: 16.5" Cold-Hammer-Forged, Match-Grade
• Thread Pattern: 1/2x28 (Suppressor-Ready)
• Finish: Black Anodized
• Handguard: M-LOK Free Float with Integral Ambi QD Cups
• Receiver: HK416 A5 Upper with Continuous Picatinny Rail
• Stock: HK416 Six-Position Adjustable
• Grip: HK USA Enhanced Grip
• Capacity: 30 Rounds
• Magazine: 1 Included

Special Features:

• Fully Ambidextrous Controls (Safety, Bolt Release, Magazine Release)
• 45-Degree Throw Safety Selector
• Adjustable Gas Block for Suppressed/Unsuppressed Operation
• Updated Angled Magazine Well for Reliable Feeding
• HK416 Elongated Steel Castle Nut and Ambi QD End Plate

The Heckler & Koch MR556 A4 offers the performance, versatility, and rugged reliability demanded by professionals and enthusiasts, making it a top-tier choice for tactical, sport, or precision applications.