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Mfg Item #: 81001051
MR556 A4 5.56 11" 10+1 BLK
| Action | semi-auto |
|---|---|
| Barrel | 11" |
| Finish | Black |
| Length | 26.5" |
| Sights | No Sights |
| Caliber | 223 Rem | 5.56 NATO |
| Capacity | 10 + 1 |
| Magazine | 1 10 rd. |
| Receiver | Fully Ambidextrous Lower |
| Rate Of Twist | 1-in-7" |
| Stock Frame Grips | Collapsible / Folding Stock HK Endanced Ergonomic Grip |
| Nfa Thread Pattern | 1/2x28 |
| Additional Feature 1 | Short Stroke Gas Piston |
| Additional Feature 2 | HK416 Upper Receiver |
| Additional Feature 3 | M-LOK Handguard |