Sig Sauer M400 Tread Rifle 5.56 NATO 30rd Magazine 16″ 1/2×28 Threaded Barrel Stainless Steel and Moss Green

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
UPC

Manufacturer

Manufacturer Part Number

Model

Product Type

Capacity

Caliber/Gauge

Barrel Length

Action

Package Height

Length

Number of Magazines

Package Width

Rate of Twist

Shipping Weight

Sights

ATF Type

Magazine Included

Sale!

Sig Sauer M400 Tread Rifle 5.56 NATO 30rd Magazine 16″ 1/2×28 Threaded Barrel Stainless Steel and Moss Green

Original price was: $1,199.99.Current price is: $1,052.59.

Availability: 12 in stock

- +

🚚 Shipping Information

Non-FFL Items
βœ… Ships directly from our distributor
βœ… Arrives in 3–7 business days

FFL Items (Firearms & Restricted Products)
πŸ“¦ Must ship to us first due to manufacturer restrictions
⚑ Minimal delay β€” we ship it out as soon as we receive it
πŸ“ Delivered to your chosen local FFL or available for pickup with us
πŸ“… Total time: 5–10 business days including transfer or pickup scheduling

Quick FAQ – Blackbox Ballistics

Prices & Sales – We price with a standard percent over cost unless MAP restrictions apply. We often run sales, and if you see a better price, give us a shot at meeting or beating it.

Inventory – We’re not a full brick-and-mortar store, so most items ship from distributors. Sometimes we have products in stock β€” especially popular ammo for pickup day.

Special Orders – Don’t see it? We can probably get it. Just ask.

Returns – See our Return Policy for details. Firearms, ammo, and special orders can’t be returned once transferred or shipped.

Transfers – Yes, we handle transfers from other sellers. By appointment for privacy.

Payments – We accept cash, credit cards, and ACH transfers. Cash/ACH may qualify for a discount.

FULL FAQs

Scroll to Top