SIG SAUER Expands TREAD Brand with Introduction of M400 TREAD Pistol

SIG SAUER Expands TREAD Brand with Introduction of M400 TREAD Pistol
SIG SAUER Expands TREAD Brand with Introduction of M400 TREAD Pistol

NEWINGTON, N.H.-( SIG SAUER, Inc. is pleased to introduce the M400 TREAD Pistol, a premium entry-level rifle-caliber pistol, that’s fully compatible with existing TREAD branded accessories.

“The hallmark of the TREAD brand is to deliver premium products at a moderate price point, that are designed, engineered, and built with the same quality and innovation consumers demand from SIG SAUER,” said Tom Taylor, Chief Marketing Officer, Executive Vice President, Commercial Sales, SIG SAUER, Inc. “Right out of the box the M400 TREAD pistol delivers on features and performance. Both the factory-installed, aluminum, free floating M-LOK™ handguard, and the KAK Industry Shockwave 2.0 Brace are features of our base M400 TREAD Pistol that are included to improve accuracy, and reduce the weight of the pistol. For the consumer that wants to expand the pistol’s capabilities, SIG already offers the freedom to grow with a full line of TREAD branded accessories to choose from.”

The M400 TREAD pistol is an optics ready, aluminum-framed pistol that features an 11.5” nitride coated, cold hammer-forged barrel, with a free-floating M-LOK handguard, a single-stage polished trigger, ambidextrous controls, a KAK Industry Shockwave Blade 2.0 brace, a carbine-length gas system, and is available in 5.56 NATO.

M400 TREAD Pistol Specs:

  • Total Length: 27”
  • Height: 7.5”
  • Barrel Length: 11.5”
  • Width: 2.5”
  • Weight (incl. magazine): 6lbs
  • Barrel Twist: 1:7”

The M400 TREAD Pistol is compatible with the full-line of existing TREAD accessories. Additionally, a lightened 10.5” M-LOK handguard accessory has been introduced to the TREAD accessory line-up to be utilized with the M400 TREAD Pistol.

Current TREAD accessories include: a 3-chamber compensator; an ambidextrous charging handle made of aircraft grade aluminum; a ROMEO5 optic featuring a 2MOA dot with ten illumination settings, MOTAC, and 50k hour battery life; flip-up front and rear iron sights that are easy to install, adjustable, and deploy quickly; an 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; and a factory upgraded 2-stage trigger.

M400 TREAD Branded Accessories Specs*:

  • M-LOK Handguard 10.5”: $149.00
  • M-LOK Handguard 13”: $149.00
  • M-LOK Handguard 15”: $149.00
  • ROMEO5 1x20mm Optic: $179.00
  • Adjustable Flip-Up Sights: $149.00
  • 2-Stage Match Trigger: $119.00
  • Ambidextrous Charging Handle: $49.00
  • 3-Chamber Compensator: $49.00
  • M-LOK Front Sight Adapter: $29.00
  • M-LOK Hand Stop Kit: $29.00
    • *all prices MSRP

The M400 TREAD pistol and TREAD accessories are currently shipping and now available in retail stores. Additionally, the full-line of TREAD accessories and TREAD branded apparel can be purchased at


SIG SAUER, Inc. is a leading provider and manufacturer of firearms, electro-optics, ammunition, airguns, suppressors, and training. For over 150 years SIG SAUER, Inc. has evolved, and thrived, by blending American ingenuity, German engineering, and Swiss precision. Today, SIG SAUER is synonymous with industry-leading quality and innovation which has made it the brand of choice amongst the U.S. Military, the global defense community, law enforcement, competitive shooters, hunters, and responsible citizens. Additionally, SIG SAUER is the premier provider of elite firearms instruction and tactical training at the SIG SAUER Academy. Headquartered in Newington, New Hampshire, SIG SAUER has almost 2,000 employees across eight locations. `For more information about the company and product line visit: