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Mfg Item #: RM400-SDI-16B-P
The M400 X-series features a free-floating M-LOK handguard, Magpul SL-K 6-position telescoping stock, Sig Flat Match Grade trigger, 16" Chrome Moly barrel, and a 7075 T-6 aluminum receiver with a black hardcoat anodized finish.
| Action | semi-auto |
|---|---|
| Barrel | 16" |
| Finish | FNC |
| Length | 33.5" - 36.8" |
| Sights | None |
| Caliber | 223 Rem | 5.56 NATO |
| Capacity | 30 + 1 |
| Magazine | 1 30 rd. |
| Rate Of Twist | 1-in-7" |
| Stock Frame Grips | Collapsible / Folding Stock MAGPUL SL Stock |
| Nfa Thread Pattern | 1/2x28 |
| Additional Feature 1 | Fluted Competition Barrel |
| Additional Feature 2 | SIG Flatblade Match Trigger |
| Additional Feature 3 | Hybrid Compensator/Flash Hider |