SIG SAUER SIGM400 SWAT, Semi-Automatic, 5.56x45mm, 16" Barrel, 30+1 Rounds

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Key Features

  • 5.56x45mm
  • 30+1 rounds
  • 16" barrel
  • 6-position telescoping stock

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SIG SAUER® SIGM400 SWAT Semi-automatic 5.56 NATO Rifle

Versatile and effective. The SIGM400 is a true AR platform tactical rifle designed to be lightweight, easy to handle and extremely rugged. 16" Nitride-treated barrel provides maximum durability and corrosion resistance.

A 7075-T6 aircraft-grade aluminum forged lower receiver adds to the durability and reliability. This special SWAT model includes aluminum quad rail with quick-detach ambidextrous sling mounts.

  • Direct impingement gas operating system with rotating locking bolt
  • 16" chrome-lined, Nitride-treated barrel
  • MIL-STD trigger
  • Ambidextrous controls
  • Quick-detach ambi sling mounts
  • 6-position collapsible stock
  • Extractor support pin for improved safety
  • 30-round aluminum magazine

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Key Specifications

  • Item Number: 640601
  • Caliber: 5.56x45mm NATO
  • Action: Semi-automatic
  • Capacity: 30+1
  • Barrel length: 16"
  • Barrel twist: 1 x 7"
  • Stock: 6-position telescoping
  • Upper receiver: 7075-T6 Aircraft grade aluminum with hard coat anodize finish
  • Lower receiver: 7075-T6 Aircraft grade aluminum with hard coat anodize finish
  • Sights (front / rear): F-marked post / flip-up adjustable
  • Handguard: Aluminum
  • Flash hider: A2
  • Overall length: 32.30" - 35.60"
  • Overall weight: 7.30 lbs.
  • Mfg. Number: RM40016BS
  • UPC: 798681432677