Sale!

Sig Sauer M400 Tread Pistol 5.56 NATO 11.5-inch

Original price was: $799.99.Current price is: $6.00.

Sig Sauer M400 Tread Pistol 5.56 NATO 11.5-inch Features:

The M400 TREAD pistol is an optics ready, aluminum receiver rifle caliber pistol. The TREAD pistol features a 11.5” Nitride Coated barrel with a free-floating M-LOK handguard, a single-stage polished/hard-coat trigger, ambidextrous controls, a Shockwave Blade multi position pistol brace, and is available in 5.56 NATO.

  • The TREAD branded accessories include:
    • M-LOK handguard with lightening cuts to reduce weight, available in 11.5”;
    • Ambidextrous charging handle made of aircraft grade aluminum and a dual roll pin design;
    • ROMEO5 optic featuring a 2MOA dot with ten illumination settings, MOTAC, and 50k battery life;
    • Flip-up front and rear iron sights that are easy to install, adjustable, and deploy quickly;
    • M-LOK front sight adapter with co-witness height made of lightweight aluminum;
    • Multiple configurations of M-LOK grip kits made of high strength polymer;
    • Factory upgraded flat blade, single stage trigger.

Sig Sauer M400 Tread Pistol 5.56 NATO 11.5-inch Specifications:

  • Operating System: Direct Impingement
  • Caliber: 5.56 NATO
  • Overall Length: 27 in (686 mm)
  • Overall Width: 2.5 in (64 mm)
  • Height: 7.5 in (191 mm)
  • Barrel Length: 11.5 in (292 mm)
  • Weight: 6 lbs (2.7 kg)
  • Twist Rate: 1:7
  • Mag Type: AR-15
  • Magazine: (1) 30 Round Magazine
  • Stock Type: 6-Position SL-K
  • Barrel Material: Stainless Steel
  • Trigger Type: Single Stage Polished/Hard-Coat
  • Receiver Finish: Hard Coat Anodized

In Stock – Ships 3-4 Days

Description

Sig Sauer M400 Tread Pistol 5.56 NATO 11.5-inch — $5.99992515

In Stock & Ready to Ship to your New Mexico FFL dealer.

Key Features

  • Sig Sauer Quality — Factory precision and proven reliability
  • New Mexico Legal — Compliant with all NM state regulations
  • In Stock & Ships Fast — 3–5 business days to your NM FFL
  • Authorized Dealer — Full manufacturer warranty included
  • Expert Support — Real NM firearms experts
  • New Customer Discount — 20% off first order with code WELCOME20
  • – ✅ **NM Permitless Carry Ready** — No permit needed in New Mexico since 2021
    – ✅ **Concealed Carry Optimized** — Compact, reliable, all-day comfortable

Technical Specifications

Specification Detail
Manufacturer Sig Sauer
Model Sig Sauer M400 Tread Pistol 5.56 NATO 11.5-inch
**Caliber** 5.56
Action Semi-Auto / Striker-Fired
Compliance New Mexico Legal
Warranty Full Manufacturer Warranty

Why Buy from Machine Gun Kings?

New Mexico’s trusted source for AR components, tactical platforms, and firearms. 15+ years serving NM gun owners. Licensed FFL dealer. Shipping daily to: Ruidoso, Grants, Silver City, Lovington, Espanola, Raton, Portales, Cloudcroft.

New Mexico Gun Law Quick Facts

  • Permitless Carry — Constitutional carry since 2021
  • No Waiting Period — Take delivery same day (after NICS)
  • No Magazine Limits — Zero capacity restrictions
  • Castle Doctrine — Strong home defense protections

Frequently Asked Questions

Do I need a permit to carry this pistol in New Mexico?

No. New Mexico passed constitutional carry in 2021. Any law-abiding resident 19+ can carry concealed without a permit.

What’s the best holster for this pistol in NM?

We carry Kydex IWB and OWB holsters for most pistols. Contact us for recommendations matched to your carry style.

Does the Sig Sauer M400 Tread Pistol 5.56 NATO 11.5-inch come with a warranty?

Yes. As an authorized Sig Sauer dealer, Machine Gun Kings ensures every Sig Sauer M400 Tread Pistol 5.56 NATO 11.5-inch includes the full manufacturer warranty.

Can I use the WELCOME20 coupon?

Yes! New customers get 20% off their first order at Machine Gun Kings. Use code WELCOME20 at checkout.

How long does shipping take to New Mexico?

Most orders reach your FFL within 3–5 business days. We ship Monday–Friday from our New Mexico warehouse.