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SIG Sauer SIGM400 Tread 5.56mm NATO 16 30-Round Rifle zoom in
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SIG Sauer SIGM400 Tread 5.56mm NATO 16" 30-Round Rifle

The M400 Tread is an optics ready, aluminum frame rifle. Tread features a 16" stainless steel barrel with a free-floating M-LOK® handguard, a single-stage polished / hard-coat trigger, ambidextrous controls, a 6 position telescoping stock and a mid-length gas system.

  • Magpul™ SL-K 6 position telescoping stock
  • Alloy forend
  • Stainless steel barrel 
  • Free-floating M-LOK handguard
  • Hard coat anodized receiver
  • 3 chamber compensator
  • Polymer grip
  • Ambidextrous controls
  • Direct impingement operating system
  • One 30-round AR-15 polymer magazine
  • Twist rate: 1:8
  • Threads: 1/2-28 tpi
  • Dimensions: 30.8"L x 2.5"W x 7.5"H
  • Weight: 7 lbs.
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Headquartered in New Hampshire, SIG Sauer® is an ISO 9001 certified company with over 385 employees. It is the largest member of a worldwide business group of firearms manufacturers that includes J.P. Sauer & Sohn and Blaser, Gmbh. in Germany, and Swiss Arms AG in Switzerland. This global network of companies gives SIG Sauer a world-class firearms knowledge base, unparalleled design expertise, and extensive manufacturing capacity, enabling them to respond quickly and effectively to changing market conditions and the needs of its military, law enforcement, and commercial markets worldwide.

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Description Action design Barrel Caliber Price  

RM40016BTRD

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Semi-automatic 16" 5.56mm NATO $849.99