Sig Sauer M400 Tread 5.56 NATO – Just upgraded for sale with these new parts: V2 Handguard, Dirty Bird 2-Stage Trigger, and a used but excellent condition Strike Industries Charging Handle.

$750 out the door, or $860 with the brand new, unopened Holosun ARO-RD2 2 MOA Red Dot, Enclosed ARO-CORE-RD-2 (pictured) UPC: 810047073598 MPN: ARO-CORE-RD-2

Upgrades:

Sig M400 Tread V2 free-floating M-LOK handguard (installed and torqued, blue Loctite) Dirty Bird 2-stage trigger Strike Industries ambidextrous charging handle

Rifle specs:

16" stainless steel barrel Mid-length gas system Free-floating M-LOK handguard Ambidextrous controls

Included:

Magpul MOE stock 1x Lancer magazine Soft rifle case Optional: Holosun ARO-Core 2 MOA red dot (new in box)

Price is all-inclusive:

AZ buyers: FFL transfer and tax included. Pick up at Covenant Firearms in Mesa. Out of state: free shipping to your FFL.

Original Product Description from the Manufacturer:

The M400 TREAD 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 has a 16” stainless 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 1:8 twist rate. The M400 TREAD also has a mid-length gas system offering smoother operation and reduced recoil. The new M400 TREAD includes a SIG Matchlite 2-stage trigger for enhanced control and improved accuracy as well as a MAGPUL SL-K telescoping stock for easy adjustment and a customized fit. The new M400 TREAD. All of the freedom all of the features with none of the compromises.

  • Free Floating M-LOK Enhanced V2 handguard
  • Dirty Bird 2-Stage Trigger
  • 16” Stainless Steel Barrel
  • Mid-Length Gas System
  • MAGPUL MOE Stock
  • Ambidextrous Safety
  • Lower receiver QD mounts
  • Strike industries charging handle