1. Firearms
  3. Semi-Auto Rifles
  5. AR-15 Rifles

Sig Sauer M400-DH3 5.56mm NATO AR-15 Rifle with DH3 Adjustable Stock

  • Item Number: RM400-SDI-16B-DH3
  • /
  • View More Items by Sig Sauer
  • /
  • Condition: NEW
Sig Sauer M400-DH3 5.56mm NATO AR-15 Rifle with DH3 Adjustable Stock
$1,599.00 $2,179.99

Limited-time Deal
In Stock with FREE shipping
  • ANDERSON MANUFACTURING AM-15 223 WYLDE BATTLE WORN AMERICAN FLAG

    Anderson Manufacturing AM-15 223/5.56mm AR15 with Battle Worn American Flag Cerakote Finish
    $1,147.00 $799.00

  • SPRINGFIELD SAINT EDGE 223 REMINGTON/223 WYLDE RIFLE W/ RED-DOT OPTIC

    Springfield Saint Edge 223 Wylde Rifle w/ Red-Dot Optic
    $899.00

  • SIG SAUER SIGM400 SDI 5.56NATO 16` BARREL XSERIES BLACK TELE STOCK 30RND MAG

    Sig Sauer M400 SDI X-Series 5.56mm Semi-Automatic Rifle with M-LOK Handguard
    $1,649.99 $1,499.99

  • SIG SAUER M400-TREAD V2 5.56 NATO RIFLE TACPAC

    Sig Sauer M400-Tread V2 5.56mm Rifle TacPac with Three 30-Round Magazines, ROMEO-MSR Red Dot and Rifle Case
    $1,179.99

  • GREAT LAKES FIREARMS 223/5.56MM SEMI-AUTOMATIC AR15 WITH TUNGSTEN CERAKOTE FINISH

    Great Lakes Firearms 223/5.56mm Semi-Automatic AR15 with Tungsten Cerakote Finish
    $849.99

  • RADIAN WEAPONS MODEL 1 223WYLDE 14.5` THREADED STAINLESS STEEL BARREL MAGPUL HARDWARE

    Radian Weapons Model 1 223 Wylde Semi-Auto Rifle with Stainless Threaded Barrel
    $2,500.00

  • SIG SAUER M400 SDI 5.56 NATO 16 IN BARREL FDE 1-30 RD MAG

    Sig Sauer M400-SDi X 5.56 Nato Rifle with FDE Cerakote Finish
    $1,599.99

  • SIG SAUER M400 SENTRY 5.56 NATO 16 IN BARREL ROMEO5 GEN II RED DOT FOXTROT MSR LIGHT

    Sig Sauer M400 Sentry 5.56mm NATO Rifle w/ Romeo5 Optic, Light and Forend Grip
    $1,899.99 $1,749.99

Product Description

What's in the Box

  • Sig Sauer M400-DH3 223 Wylde AR-15 Rifle
  • (1) 30 Round Magazine
  • Owner's Manual

After two full years of competitive shooting with SIG SAUER'S SDI Comp Rifle, Team SIG's Daniel Horner has refined the platform to meet his competition needs and developed the ultimate 3-Gun rifle, the new M400-DH3 from SIG Custom Works. The first-ever rifle from SIG Custom Works features full-ambi controls with the new SIG-designed ambi bolt-catch and bolt-release, a Timney DH3 Two-Stage Trigger, a custom DH3 Adjustable stock, fluted stainless 223 Wylde barrel (for optimal 5.56 and 223 Rem performance) and a 3 Chamber Compensator for muzzle rise reduction. The new M400-DH3 from SIG Custom Works gives you the same competitive edge and the same rifle used by 10-time 3 gun champion Daniel Horner.

Firearm Features

  • DH3 Adjustable Stock 
  • Cerekote Receiver
  • 2-Stage Adjustable Timney Daniel Horner Signature Trigger
  • M-LOK Accessory Rail
  • Alloy Forend
  • Low Profile 3-Gun Handguard
  • Ambidextrous Controls Including Bolt Catch/Release
  • Fluted Competition Barrel

Firearm Specifications

  • Manufacturer: Sig Sauer
  • Model: M400-DH3
  • Caliber: 223 Wylde/5.56 NATO
  • Barrel Length: 16"
  • Twist Rate: 1:8"
  • Overall Length: 34.5"
  • Finish: Stainless Steel
  • Grips: Black Polymer Pistol Grip
  • Sights: None; MLOK Rail
  • Magazine Capacity: 30+1

Customer Comments & Questions

Customer Reviews

No reviews have been written for this product.

Write a review
Back to top