The M400 SDI X Series is the out of the box performance solution. The X Series features a 16″ chrome molly barrel with a free-floating M-LOK handguard, SIG Flatblade Match Trigger, ambidextrous bolt catch and release, Magpul SL stock, and mid-length gas system.
SIG M400 XSERIES 556NATO 16″ 30RD
$1,552.21
In stock
SIG M400 XSERIES 556NATO 16″ 30RD
Additional information
| UPC | 798681664634 |
|---|---|
| Manufacturer | Sig Sauer |
| Manufacturer Part Number | RM400-SDI-16B-P |
| Overall Length | 33.5" – 36.8" |
| Action | Semi-Auto |
| Finish Type | Black |
| Capacity | 30 + 1 |
| Caliber/Gauge | 223 Rem | 5.56 NATO |
| Barrel Length | 16" |
| Model | M400 SDI XSeries |
| Finish Style | FNC |
| Magazine Capacity | 30 + 1 |
| Number of Magazines | 1 30 Rd. |
| Thread Pattern | 1/2×28 |
| Rate of Twist | 1-in-7" |
| Drilled and Tapped | 0 |
| Additional Feature 1 | Fluted Competition Barrel |
| Additional Feature 2 | SIG Flatblade Match Trigger |
| Additional Feature 3 | Hybrid Compensator/Flash Hider |
