MR556A4 UPPER KIT 5.56MM 16.5″
Key Features:
- Includes Bolt and Buffer
- M-Lok Handguard
Specifications:
| Manufacturer: | Heckler and Koch (HK USA) |
| Model: | MR556A4 URK |
| Type: | Accessory-Uppers |
| Caliber/Gauge: | 223 Rem | 5.56 NATO |
| Finish: | Matte Black |
| Barrel Length: | 16.5″ |
Reviews
There are no reviews yet.