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SIG Sauer M400 TREAD V2 5.56 NATO Hard Coat Anodized Pistol

The SIG Sauer M400 TREAD V2 Pistol combines a compact AR-15 pattern with a free-floating M-LOK handguard and an 11.5-inch cold hammer forged steel barrel. Chambered in 5.56 NATO, it features a carbine-length gas system, a low-profile gas block, and a 1:7 twist rate for reliable operation and consistent accuracy. The SIG Matchlite two-stage flat blade trigger provides a controlled trigger press, while the ambidextrous safety supports operation from either side. A Magpul BSL telescoping brace, 3-prong flash hider, optics-ready receiver, and integrated QD sling mount complete the configuration.

Key features

  • 11.5-inch cold hammer forged steel barrel for durability and consistent accuracy
  • Free-floating M-LOK handguard provides a rigid accessory-mounting platform
  • SIG Matchlite two-stage flat blade trigger supports precise trigger control
  • Ambidextrous safety accommodates right- and left-handed operation
  • Carbine-length gas system promotes smooth cycling and reduced felt recoil
  • Magpul BSL telescoping brace enhances stability in a compact pistol configuration

The SIG Sauer M400 TREAD V2 Pistol delivers a capable, optics-ready 5.56 NATO platform in a compact and adaptable configuration.

SIG Sauer M400 TREAD V2 5.56 NATO Hard Coat Anodized Pistol: quick facts

What caliber is the SIG Sauer M400 TREAD V2 5.56 NATO Hard Coat Anodized Pistol?
It is chambered in 5.56 NATO.
How many rounds does it hold?
30+1 rounds; magazines included: 1.
How big and heavy is it?
Barrel length 11.5 inches, overall length 30.1 inches, weight 5.9 pounds.
What kind of action does it use?
Semi-Automatic.
Is it optic ready or threaded?
Optic ready: Yes; threaded barrel: Yes.
What sights and finish does it have?
finish: Hard Coat Anodized.
Is it new or used?
New, in the original packaging.
Can I buy it in Alabama?
Yes. It ships to a licensed FFL dealer in Alabama; you pick it up there after the background check. Alabama: no purchase permit, no registration and no waiting period. Your dealer runs the federal check at pickup.
Is it in stock?
Yes, at $1152.86. Orders leave within 1-2 business days; shipping is free over $999.

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