Heckler & Koch presents the MR556 A4, a marvel of engineering with a short-stroke gas piston system that minimizes carbon fouling, ensuring longevity and reduced maintenance. Its adjustable gas regulator allows customization for suppressed or unsuppressed use, while fully ambidextrous controls and a lightweight design enhance usability.

Ideal for range time and training, the MR556 A4 offers a seamless shooting experience with its ergonomic features. Heckler & Koch's commitment to innovation and quality is evident in every detail of this firearm.

Key Features:
- Manufacturer: Heckler & Koch
- Model: MR556 A4
- Caliber: 5.56x45mm
- Condition: New
- Action: Semi-Auto
- Finish Color: Black
- Barrel Length: 11"
- Number of Magazines: 1
- Capacity: 10+1
- Optic Footprint: None
- Unique Features: Adjustable gas regulator
- Night Sights: No
- External Safety: Yes
- Threaded Barrel: Yes
- What's In The Box: Firearm
- Weight: 6.61 lbs
- Length: 26.50"
- Width: 3.07"