Key Features:
- Manufacturer: Midwest
- Model: AR-15 Two Chamber Muzzle Brake
- Product Type: Muzzle Brake
- Material: Tool Steel
- Unique Features: Dual-Chamber Design, Side Ports
- What's In The Box: Crush Washer
| __Caliber | 5.56x45mm NATO |
| __Model | MI-MB4 |
| __Capacity | NA |
| __Barrel Length | NA |
| __Optic Footprint | NA |
| __Action | NA |