SIG SAUER M400 Tread Predator
Courtesy SIG SAUER
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From SIG SAUER . . .

SIG SAUER, Inc. is pleased to introduce the SIG M400 TREAD PREDATOR, the newest addition to the SIG hunting rifle line-up.  The TREAD PREDATOR is an MSR platform hunting rifle, designed specifically for predator hunting, that incorporates many of the TREAD features with design enhancements to suit the needs of hunters.

“The M400 TREAD PREDATOR combines the popular features of the TREAD series of rifles, including ambi-controls and easily interchangeable TREAD branded accessories, with new attributes that optimize the M400 platform for hunters,” said Tom Taylor, Chief Marketing Officer and Executive Vice President, Commercial Sales.  “The new features include a stock that easily adjusts for both length of pull, and comb height so the hunter can get properly aligned no matter the circumstance, QD mounts to attach a sling for easy carry, a new TREAD handguard system with a flat surface bottom, and a Cerakote Elite Jungle finish to minimize visibility and protect the rifle in woods and brush environments.”

Courtesy SIG SAUER 

The M400 TREAD PREDATOR is an aluminum frame rifle with a Cerakote Elite Jungle finish, a precision style adjustable stock that maintains a lightweight design, a 16” stainless steel threaded barrel with thread protector to eliminate snag points that can be removed to add a suppressor, a lightened free-float M-LOK™ 15” PREDATOR handguard, a hardened polished trigger, and ambidextrous controls.  The rifle is chambered in 5.56 NATO and ships with (need #) five round magazines for hunting.


Overall Length: 35.5in.
Overall Height: 7.5”
Overall Width: 2.5”
Barrel Length: 16”
Barrel Twist: 1:8”
Weight (incl. magazine): 7.5lbs.

Additionally, the SIG SAUER M400 TREAD PREDATOR is fully compatible with the full line of TREAD  accessories to include: varying lengths of M-LOK Handguards, a 3-chamber compensator; an ambidextrous charging handle made of aircraft-grade aluminum; flip-up front and rear iron sights that are easy to install, adjustable, and deploy quickly; an M-LOK front sight adapter with co-witness height made of lightweight aluminum; and multiple configurations of M-LOK grip kits made of high-strength polymer.

M400 TREAD Branded Accessories Specs:

M-LOK Handguard 10” $149.99
M-LOK Hnadguard 13” $149.99
M-LOK Handguard 15” $149.99
Two-stage flat blade trigger $119.99
Adjustable Flip-Up Sights $149.99
Sight Rail, M-LOK Screws and Nuts $29.99
Ambidextrous Charging Handle $49.99
3-Chamber Compensator $49.99
M-LOK Front Sight Adapter $29.99
TREAD Vertical Grip Kit $29.99
TREAD Handstop Kit $29.99
TREAD M-LOK Forward Grip Kit $49.99

The M400 TREAD PREDATOR is now shipping and available at retailers.  To learn more about the M400 TREAD PREDATOR, or watch the product video with Patrick Hanley, Rifle Product Manager, visit

MSRP = $1099.99

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    • most guys arent going to use .223 or 5.56 beyond 3-400 yards anyway
      theyll use .223 valk or .220 swift or 22-250 or 204 or something like that
      the navy only used an 18 inch barrel in the mk 12 spr to shoot at people beyond 700 yards
      so 16.5 inches is going to be plenty enough barrel for most folks most of the time especially in a 5.56

  1. 5.56 for what kind of predators? Wolves and coyotes, OK. Mountain lion, maybe. Bear, I don’t think so.

  2. The extra little boost in velocity isn’t worth the bulk of a longer barrel, seems like a good call to me. I also like the fixed stock and simple thread protector so it’s even easier to put what you want on.

    • If the goal is to kill predators at long distance, and extra 4″ on a gun that is focused on shooting from a still position is worth every bit of it. You’re not giving up anything and you’re gaining about 100 yards where the bullet will reliably expand.
      The 223 is a small diameter, lightweight bullet. Speed is what kills, and by leaving the barrel at 16 in, your neutering it, at least if the goal is to actually kill things far away.

      • so why did the navy only use an 18 inch barrel in the mk 12 spr to shoot at people at almost 800 yards

        • First and most importantly, because they didn’t care about bullet expansion. Second, because you’re about 100-200 yards too far for what the DMR was designed for. Have you ever attended the squad designer marksman course? I have. Third, I see your SPR and raise you every Marine Corps M16A4 with its 20″ barrel.

      • so then why is the army…and the navy…and the marines…using m4s with a 14.5 inch barrel to 500 yards against people

        • I don’t know where you’re getting this stuff, but you are way off. The M4 was not designed to shoot people at 500 yards. That is the maximum effective range. If it were designed to shoot people at 500 yards, the optic wouldn’t be a 1X red dot. Most engagements are under 300 yards. In fact most engagements in Iraq were under 100, hence the development of and use of the M4. But in Afghanistan, my team’s average initial engagement was at 400 meters. The M4 really sucked for Afghanistan, and we were all jealous of the Marines M16A4.
          The Army also did not care at all about bullet expansion, and most hunters do.
          Also, we had to carry our rifles up and down mountains in incredible heat for 10 to 15 km a day. That’s not what this Sig rifle is for.
          Arguing that an extra hundred feet per second on a small caliber lightweight bullet isn’t important doesn’t make any sense.

      • Sounds a lot like JWTAYLOR likes to apply his use to your use and explain how you’re doing it all wrong.

        I doubt the coyotes will notice the loss of around150 fps, less with heavy ammo, and I know my my hold overs so why do I need a Kentucky rifle again? I get that you wanted one in “the Stan” but I don’t think it’s for me personally.

        • Craig Boddington did an article quite a few years back, shooting a bunch of stuff in Australia I think it was, might have been Africa. Anyways, Craig was a big 06 fan but he said he could see an appreciable difference in the .300 WinMag and how much more quickly the animal was brought down.
          My experience with a .22LR Marlin bolt action. I thought I’d make they ultimate squirrel hunting rifle by cutting the barrel back to 16 inches from the 22 inches it had. , ,,, well I’ll be, the long barrel smacked them harder. We playing with SKS vs AK, yup the SKS will shoot further and hit harder.
          The short barrel craze helps the gunm manufacturers save money.

    • Last line: MSRP = $1099.99

      Seems a bit high for a yote zapper, but I refer to them as ‘$ig’ for a reason…

  3. That’s nice does it come with bullets? Not much sense in buying another paperweight.


  4. $1100 with a 16″ barrel?? Naw, I’m good. I don’t like placards on muh guns either. Ick.

    Still, I appreciate the article for its industry news.


  6. Don’t know the argument especially with the political BS we are dealing with it’ll be at least 2 years before you can lay your hands on one anyway so what’s the Bitch

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