Sig Sauer
Sig Saur M400 SDI X-Series Rifle 5.56mm 30/rd Magazine 16" Barrel Black Magpul Stock
Product Details
The SIG SAUER M400 SDI XSERIES packs a rich set of features and upgrades into the M400 platform delivering an advanced performance rifle right out of the box. The M400 XSERIES lower features fully ambidextrous controls including bolt catch & release selector switch charging handle and mag release. Also unique to the XSERIES is a precision machined lightning cut upper and lower with a handguard clamp system designed to minimize deflection when using mounted accessories. Other features include a hybrid flash hider/compensator 2-Stage Matchlite Trigger and Magpul SL Telescoping Stock.
Model: M400 Action: Semi-Auto | Barrel Length: 16" | Brand: Sig Sauer | CA Prop 65: Yes | Caliber: 5.56mm | Firearm Capacity: 30 | Firearm Platform: AK Rifle | Gun Finish: Anodized | Gun Model: M400 | Magazines Included: 1 | Model Series: AR-15 | Optic Ready: Picatinny Rail | Stock Material: Synthetic | Threaded Barrel: Yes UPC: 798681664634Specifications
| Brand | Sig Sauer |
|---|---|
| UPC | 798681664634 |
| Caliber | 5.56 NATO / .223 |
| Action | Semi-Auto |
| Color / Finish | Black |
| Barrel Length | 16" |
| Weight | 9.5 lb |
| Condition | New |
Buying this item
- Can I buy the Sig Saur M400 SDI X-Series Rifle 5.56mm 30/rd Magazine 16" Barrel Black Magpul Stock online and have it shipped to me?
- Firearms cannot ship to your home. Buy it here and pick it up at Iron Valor Armory in Rocky Mount, NC after a NICS background check, or have it shipped to a licensed FFL dealer near you for their transfer fee.
- How old do I have to be to buy the Sig Saur M400 SDI X-Series Rifle 5.56mm 30/rd Magazine 16" Barrel Black Magpul Stock?
- You must be 18 or older with valid government ID for rifles and shotguns (21+ for handguns).
- Is the Sig Saur M400 SDI X-Series Rifle 5.56mm 30/rd Magazine 16" Barrel Black Magpul Stock in stock?
- Yes — live distributor inventory shows it in stock and it ships or is ready for pickup within 1–3 business days.
- What is the return policy?
- Non-firearm items may be returned within 30 days (a restocking fee of up to 15% applies if the packaging was opened). Firearms and ammunition are final sale once transferred, per federal law.
All firearm sales require background checks and compliance with federal, state, and local laws. You must be 21+ for handguns/stripped receivers and 18+ for long guns.
Frequently bought together
Complete the setup
Ammo, magazines and optics matched to Sig Saur M400 SDI X-Series Rifle 5.56mm 30/rd Magazine 16" Barrel Black Magpul Stock. Everything here ships to your door or is ready at pickup.
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5.56 NATO / .223 ammunition
Same caliber as this firearm.
Magazines that fit
Matched by caliber and Sig Sauer fit.
Optics for this rifle
We mount and bore-sight for pickup.
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