Heckler & Koch's MR556 A4 5.56 16.5" 10+1 GRY223 Rem | 5.56 NATO exemplifies superior design and engineering. Featuring a short-stroke gas piston system, it minimizes carbon fouling, ensuring longevity and reduced maintenance. Its fully ambidextrous controls and adjustable gas regulator 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 commitment to innovation and quality craftsmanship is evident in every detail.

Key Features:
- Manufacturer: Heckler & Koch
- Model: MR556 A4
- Caliber: 223 Rem | 5.56 NATO
- Condition: New
- Action: Semi-auto
- Finish Color: Gray Cerakote
- Barrel Length: 16.5"
- Number of Magazines: 1
- Capacity: 10+1
- Optic Footprint: None
- Unique Features: Short Stroke Gas Piston, HK416 Upper Receiver, M-LOK Handguard
- Night Sights: No
- External Safety: Yes
- Threaded Barrel: Yes
- What's In The Box: 1 10 rd. Magazine
- Weight: 7.67 lb
- Length: 33.25" to 36.5"
- Width: 3.07"