MR556A4 UPPER KIT 5.56MM 16.5"
Specifications
| Manufacturer | Heckler and Koch (HK USA) |
|---|---|
| Model | MR556A4 URK |
| Manufacturer Model # | 51000384 |
| Family | MR556 Series |
| Type | Accessory-Uppers |
| Caliber / Gauge | 223 Rem | 5.56 NATO |
| Barrel Length | 16.5″ |
| Finish | Matte Black |
| Finish Type | Black |
| UPC | 642230270213 |
| Additional Feature 1 | Includes Bolt and Buffer |
| Additional Feature 2 | M-Lok Handguard |
