First Look: SIG Sauer M400 Predator Rifle

posted on April 8, 2021

SIG Sauer is expanding their line of the M400 Tread rifles with the new M400 Tread Predator. The M400 Tread Predator is specifically designed specifically predator hunting and includes many feature that suit the needs of hunters. The Tread Predator is an aluminum frame AR-15 pattern rifle with a Cerakote Elite Jungle finish that helps minimize visibility in woods or brush environments.

The rifle has a precision-style stock that is adjustable for comb height and length of pull, yet is still light enough to work with the lightweight design of the rifle. The gun is chambered in 5.56 NATO and also has a 16-inch stainless steel barrel with thread protector to allow for the mounting of a muzzle device or suppressor, a lightened free-float M-Lok 15-inch Predator handguard, a hardened polished trigger and ambidextrous controls.


  • M-Lok handguard with lightening cuts to reduce weight, available in 13- and 15-inch lengths
  • 3-chamber compensator
  • Ambidextrous charging handle made of aircraft grade aluminum and a dual roll pin design
  • Romeo5 optic featuring a 2 MOA dot with 10 illumination settings, MOTAC, and 50,000 hour 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

M400 Tread Predator Specifications

  • Caliber: 5.56 NATO
  • Barrel Length: 16 inches
  • Mags Included: (1) 5-round polymer magazine
  • Magazine Type: AR-15
  • Action Type: Semi-Automatic
  • Stock Type: Adjustable Precision Stock
  • Barrel Material: Stainless steel
  • Trigger Type: Hardened polished
  • Twist Rate: 1:8-inch 
  • Forend Type: Alloy
  • Grip Type: Polymer
  • Overall Length: 35.5 inches
  • Overall Width: 2.5 inches
  • Height: 7.5 inches
  • Operating System: M-Lok
  • Weight: 7.5 pounds

More information on the M400 Tread Predator and other products from SIG Sauer is available at


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