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Mfg Item #: 81000827
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Heckler & Koch, MR556 A4, Semi-automatic, AR, 556NATO, 16.5" Barrel, Anodized Finish, Black, M-LOK Free Float Handguard, Adjustable Gas Block, HK USA Enhanced Grip, HK416 Six Position Stock, Ambidextrous Controls, 30 Rounds, 1 Magazine, 81000827
| Action | semi-auto |
|---|---|
| Barrel | 16.5" |
| Finish | Black |
| Length | 33.25" to 36.5" |
| Sights | No Sights |
| Caliber | 223 Rem | 5.56 NATO |
| Capacity | 30 + 1 |
| Magazine | 1 30 rd. |
| Receiver | Fully Ambidextrous Lower |
| Rate Of Twist | 1-in-7" |
| Stock Frame Grips | Collapsible / Folding Stock HK416 Slimline Furniture |
| Nfa Thread Pattern | 1/2x28 |
| Additional Feature 1 | Short Stroke Gas Piston |
| Additional Feature 2 | HK416 Upper Receiver |
| Additional Feature 3 | M-LOK Handguard |