SIG SAUER, INC. – M400 TREAD 5.56 30+1 16″


In stock


Built Right for an Entry-Level AR-15

SIG Sauer wanted to do the entry-level AR-15 the right way with the addition of the M400 Tread to its range, offering customers a rifle developed from the bottom up to give the best possible features at a price anybody can afford.

Each SIG Sauer M400 Tread is a notch above what most people consider when “entry-level AR-15” jumps to mind. Gone are the boilerplate A2 parts. Instead, SIG installed wear- and recoil-reducing mid-length gas system complete with a low-profile gas block buried behind a free-float handguard compatible with all M-LOK attachments. The rifle also includes ambidextrous controls, and the barrel is made from stainless steel.

  • Direct-impingement operation
  • Barrel length: 16 inches
  • Chambered in 5.56 NATO
  • Ships with one 30-round magazine

Other upgraded components on the SIG Sauer M400 Tread include a Magpul SL-K collapsible stock and a polished trigger that provides enhanced control and accuracy.

How much does a SIG Sauer M400 tread cost?

Sig Sauer M400 Tread 5.56 NATO 16″ Barrel 30 Rnd – $850.99 This Sig Sauer SIG M400 Tread is a direct impingement semi-auto rifle chambered in 5.56x45mm (5.56 NATO)/ 223 Rem. It has all of the functionality and flexibility of a contemporary sports rifle with none of the drawbacks. It is constructed with an RM400-16B-TRD – SIG SAUER SIGM400 TREAD 5.56 NATO

What sort of barrel does the M400 tread have?

Details The M400 TREAD is an optics-ready, aluminum frame rifle. TREAD has a 16” stainless steel barrel with a free-floating M-LOK handguard, a single-stage polished/hard-coat trigger, ambidextrous controls, a Magpul™ SL-K 6 position telescoping stock, a mid-length gas system, and is available in 5.56 NATO. SIGM400 TREAD | SIG SAUER

What is the SIG Sauer tread?

The TREAD from SIG SAUER — the new face of freedom. Same excellent TREAD features, Upgrades for the best shooting experience. All of the characteristics of the M400 TREAD are now in a handgun. The dependability of SIG’s lightweight direct impingement mechanism, along with the customization of TREAD. SIG TREAD; M400 TREAD AR 15 Rifle Platforms | SIG SAUER

How much does a Sauer M400 tread snakebite cost?

Sig Sauer M400 Tread Snakebite SE Coyote 5.56 NATO / .223 Rem 16″ Barrel 30-Rounds – $1325.99 M400 Tread Snakebite SE Features SIG SAUER is happy to announce the extension of the M400 TREAD family of rifles with the launch of the M400 TREAD SNAKEBITE SE. The new TREAD Snakebite SE delivers the


  • Action Type: Direct Impingement
  • Barrel Length: 16″
  • Capacity: 30+1-Round
  • Cartridge: 5.56 mm NATO
  • Finish: Black
  • Front Sight: None
  • Length: 30.8″
  • Magazine Included: 1 x 30-Round
  • Magazine Type: Removable
  • Muzzle: Flash Hider
  • Rear Sight: None
  • Stock Material: Polymer
  • Weight: 7 lbs


Products require a Federal Firearms License to be on file. If we don’t have a FFL for you, your order will be put on hold until it is received. Please email, fax 641-623-8143 or mail a clear signed copy to: Attn: FFL Dept, 200 S. Front Street, Montezuma, IA 50171. You must be 18 years of age or older except in states that require an individual to be 21 to purchase rifles and shotguns also 21 years of age or older to purchase handguns, receivers, and suppressors.Out of Stock
Product temporarily out of stock. Click on the Back Order button to back order or click on the View Alternatives button to find an alternate if available.

Foreign Shipping
This item cannot be shipped out of the United States.


Make: Sig Sauer

Model: M400 Tread

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