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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 Iowa?
Yes. It ships to a licensed FFL dealer in Iowa; you pick it up there after the background check. Rifles and shotguns ship to your chosen Iowa FFL dealer for the background check and 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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