Sig Sauer M400 5.56x45mm, 11.5″ Barrel, Black, Magpul BSL Brace, 30rd

Original price was: $999.99.Current price is: $799.99.

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Sig Sauer M400 5.56x45mm, 11.5″ Barrel, Black, Magpul BSL Brace, 30rd

Original price was: $999.99.Current price is: $799.99.

Sig Sauer M400 5.56x45mm, 11.5″ Barrel, Black, Magpul BSL Brace, 30rd Firearm

The M400-TREAD Pistol 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 Pistol has a 11.5 Cold hammer forged 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 1:7 twist rate. The M400-TREAD Pistol also has a carbine gas system offering smoother operation and reduced recoil. The new M400-TREAD Pistol includes a SIG Matchlite 2-stage trigger for enhanced control and improved accuracy. The new M400-TREAD Pistol. All of the freedom, all of the features, with none of the compromises.


  • Brand : Sig Sauer
  • Category : Tactical Rifles
  • Model : M400
  • Caliber : 5.56x45mm NATO
  • Operating System : Carbine
  • Capacity : 30+1
  • Action : Semi-Auto
  • OAL : 30.10″
  • Sights : Optic Ready
  • Barrel Finish : Chrome
  • Barrel Material : Steel
  • Magazine Type : AR-15
  • Grips : Polymer
  • Handguards : M-LOK
  • Height : 7.10″
  • Includes : Magazine
  • Safety : Ambidextrous
  • Thread Pattern : 1 / 2″x28 tpi
  • Width : 2.50″
  • Barrel Length : 11.50″
  • Max Capacity : 30
  • Receiver Finish : Hard Coat Anodized
  • Trigger : 2-Stage Match
  • Weight : 5.90 lbs

FFL Transfer & Firearms Laws for Sig Sauer M400 5.56x45mm, 11.5" Barrel, Black, Magpul BSL Brace, 30rd

All firearms, including the Sig Sauer M400 5.56x45mm, 11.5" Barrel, Black, Magpul BSL Brace, 30rd, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.

How It Works

  1. Place your order online.
  2. Provide your preferred FFL dealer information.
  3. We ship the firearm directly to your FFL.
  4. You complete the background check and pickup at the FFL.

Legal Compliance

We comply with all federal and state firearm laws. It is your responsibility to ensure the Sig Sauer M400 5.56x45mm, 11.5" Barrel, Black, Magpul BSL Brace, 30rd is legal in your state. Some states may have restrictions on certain firearm models or features.

Helpful Resources

Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.

Frequently Asked Questions About This Product

Why buy Sig Sauer M400 5.56x45mm, 11.5" Barrel, Black, Magpul BSL Brace, 30rd from Miami Shooters Supply?

We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.

Where can I buy Sig Sauer M400 5.56x45mm, 11.5" Barrel, Black, Magpul BSL Brace, 30rd?

You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.

Is Sig Sauer M400 5.56x45mm, 11.5" Barrel, Black, Magpul BSL Brace, 30rd available now?

Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.

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Is this product legal in my state?

It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.

Additional information

Brand

Model

Type:

5.56x45mm NATO

Rounds

Manufacturer Number

FFL Transfer & Firearms Laws

All firearms, including the Sig Sauer M400 5.56x45mm, 11.5" Barrel, Black, Magpul BSL Brace, 30rd, must be shipped to a licensed Federal Firearms License (FFL) dealer. A background check and any required local paperwork must be completed before you can take possession.

How It Works
  1. Place your order online.
  2. Send us your preferred local FFL dealer info.
  3. We ship the firearm to your FFL after verification.
  4. Complete background check and pick up from your dealer.
Legal Compliance

We comply with all U.S. firearm laws. It is your responsibility to ensure the Sig Sauer M400 5.56x45mm, 11.5" Barrel, Black, Magpul BSL Brace, 30rd is legal in your state. Some states (e.g. CA, NY, NJ) have restrictions on magazine size or certain features.

Helpful Links

Need help? Contact our team — we’ll guide you through selecting a compliant firearm and the FFL transfer process.