Key Features:
- Manufacturer: Heckler & Koch
- Model: MR556A1
- Product Type: Barrel Socket
- Material: Steel
- Color: Black
- Weight: 0.20 Pounds
| __Model | MR556A1 |
| __Capacity | NA |
| __Barrel Length | NA |
| __Optic Footprint | NA |
| __Action | NA |
| __Caliber | 5.56x45mm NATO |