Sig Sauer M400 Tread Blade 5.56NATO 11.5″ Barrel 30+1 - Affordable Prices

Sig Sauer M400 Tread Blade 5.56NATO 11.5″ Barrel 30+1


The Sig Sauer 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.
MFG Part Number: PM400-11B-TRD
UPC: 00798681619542

The SIGM400 Predator is a rifle while the SIGPM400 Elite PSB is a pistol. The rifles are chambered for either 5.56×45mm NATO with 14.5-inch (37 cm), 16-inch (41 cm), 18-inch (46 cm), or 20-inch (51 cm) barrels threaded 1/2×28. The SIGM400 is a semi-automatic firearm intended for law enforcement, military and civilian markets. It fires from a closed bolt and uses a direct impingement gas system


  • Operating System: Direct Impingement
  • Receiver Finish: Hard Coat Anodized
  • Barrel Material: FNC Carbon Steel, Nitride Coated
  • Twist: 1:7
  • Thread: 1/2″-28
  • Height: 7.5″
  • Width: 2.5″


  • Caliber: 5.56 NATO / .223 Rem
  • Action: Semi-Auto
  • Trigger: Single Stage, Polished
  • Handguard: 11″ M-Lok Compatible, Free Floating
  • Stock: Shockwave Blade, Adjustable Pistol Brace
  • Barrel Length: 11.5″
  • Overall Length: 27″
  • Weight: 6 lbs.
  • Magazine: (1) 30 Round Magazine
More Information
PRODUCT NAME Sig Sauer M400 Tread Blade 5.56NATO 11.5″ Barrel 30+1
BRAND Sig Sauer
CALIBER 223 Remington/5.56x45mm NATO
ACTION Semi-Automatic
BARREL 9.00″ – 11.99″

The M400 TREAD is easily customizable with a full line of purpose-built accessories, designed and built in the USA. The TREAD is an aluminum frame rifle, that is optics ready, TREAD features a 16 stainless steel barrel with a free-floating M-LOK hand-guard, a single-stage polished hard-coat trigger, ambidextrous controls, a Magpul SL-K 6 position telescoping stock and a mid-length gas system. This model is Colorado compliant. Buy Now

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