MR556A4 UPPER KIT 5.56MM 16.5" |
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Product Overview
| Barrel Length | 16.5" |
| Caliber Gauge | 223 Rem | 5.56 NATO |
| Family | MR556 Series |
| Finish | Matte Black |
| Finish Type | Black |
| Magazine | |
| Manufacturer Model No | 51000384 |
| Model | MR556A4 URK |
| Stock Frame Grips | |
| Type | Accessory-Uppers |