Sig Sauer M400 Tread Rifle 5.56 NATO 30rd Magazine 16" 1/2x28 Threaded Barrel Stainless Steel and Moss Green
$1,043.50
The Sig Sauer M400 TREAD Rifle is a versatile 5.56 NATO semi-automatic rifle designed for extreme control and ease of accessory mounting, featuring a lightweight free-floating M-LOK enhanced handguard. With a 16″ stainless steel barrel and an ambidextrous safety, this rifle is well-suited for both right and left-handed shooters, making it an excellent choice for home defense and tactical applications.
Out of stock
The M400 TREAD features a free-floating M-LOK enhanced handguard that is lightweight yet rigid for extreme control and ease of mounting accessories such as lights and handstops. The lower receiver has an ambidextrous safety for right or left-handed operation and includes an integrated QD mount for easy sling attachment. Chambered in 5.56 NATO the M400 TREAD has a 16” stainless steel barrel offering extreme durability and corrosion resistance while improving accuracy. The barrel is also fitted with a 3-prong flash hider and has an extremely versatile 1:8 twist rate. The M400 TREAD also has a mid-length gas system offering smoother operation and reduced recoil. The new M400 TREAD includes a SIG Matchlite 2-stage trigger for enhanced control and improved accuracy as well as a MAGPUL SL-K telescoping stock for easy adjustment and a customized fit. The new M400 TREAD. All of the freedom all of the features with none of the compromises.
- Free Floating M-LOK Enhanced Handguard
- SIG Matchlite 2-Stage Trigger
- 16” Stainless Steel Barrel
- Mid-Length Gas System
- MAGPUL SL-K Telescoping Stock
- Ambidextrous Safety
- Lower receiver QD mounts
| Weight | 8.500 lbs |
|---|---|
| Dimensions | 35.500 × 9.000 × 2.750 in |
| Manufacturer | Sig Sauer |
| Barrel Length | 16.0 |
| Capacity | 30 |
| Action | Semi-automatic |
| Finish | Moss Green |
| Frame Material | Aluminum |
| Caliber | 5.56 NATO |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.
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