Heckler & Koch presents the MR556 A4, a testament to superior design and engineering. This model boasts a short stroke gas piston operating system, reducing maintenance and wear by preventing hot carbon fouling in the action. Its fully ambidextrous controls and lighter weight enhance usability, making it a top choice for enthusiasts.

Ideal for range time and training, the MR556 A4 offers unmatched reliability and durability. Heckler & Koch's reputation for innovation ensures a firearm that stands the test of time.

Key Features:
- Manufacturer: Heckler & Koch
- Model: MR556 A4
- Caliber: 5.56 NATO
- Condition: New
- Action: Semi-Automatic
- Finish Color: Gray
- Barrel Length: 11"
- Number of Magazines: 1
- Capacity: 10+1
- Optic Footprint: Not Specified
- Unique Features: Adjustable gas regulator, ambidextrous controls
- Night Sights: No
- External Safety: Yes
- Threaded Barrel: No
- What's In The Box: Not Specified
- Weight: 6.61 lbs
- Length: 26.5 in
- Width: 3.07 in