The SIG M400 SDI is a fully ambidextrous AR-15 with a mid-length gas system and a two-stage Matchlite Duo trigger.
Highlights
- 5.56 NATO, 30+1, 16" barrel
- Fully ambidextrous safety, charging handle, bolt catch and mag release
- Matchlite Duo two-stage trigger
- Mid-length direct impingement
- Free-float M-LOK handguard
- Magpul SL stock
- FDE
Details
| Part number | RM400-SDI-16B-FDE |
|---|---|
| UPC | 798681714469 |
Buying a long gun from Guns 2 Ammo
Order online and pick it up at our Mesa store after a quick background check, or buy in person. Not in Arizona? We'll ship it to a licensed FFL dealer in your home state. See our FFL services page for details.
Questions? Call (602) 715-2677.
| Manufacturer | Sig Sauer |
| Model | M400 SDI XSeries |
| Caliber | 5.56 NATO / 223 Rem |
| Type | Rifle |
| Capacity | 30+1 |