Heckler & Koch's MR556 A4 is engineered with precision, featuring a short-stroke gas piston system that minimizes carbon fouling, ensuring longer operation with less maintenance. The rifle's adjustable gas regulator allows for tailored performance in both suppressed and unsuppressed modes, making it versatile and user-friendly.

Ideal for range shooting and competitive events, the MR556 A4 offers fully ambidextrous controls, a lighter weight, and a slimmer profile for enhanced maneuverability. Heckler & Koch is renowned for its innovation and quality craftsmanship.

Key Features:
- Manufacturer: Heckler & Koch
- Model: MR556 A4
- Caliber: 5.56x45mm
- Condition: New
- Action: Semi-Auto
- Finish Color: Black
- Barrel Length: 16.50"
- Number of Magazines: 1
- Capacity: 30+1
- Optic Footprint: None
- Unique Features: Adjustable gas regulator, ambidextrous controls
- Night Sights: No
- External Safety: Yes
- Threaded Barrel: Yes
- What's In The Box: Rifle
- Weight: 7.67 lbs
- Length: 36.50"
- Width: Not specified