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Sig Sauer M400 Classic Compliant Centerfire Rifle

Item # GM446879
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Additional Information:

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  • Firearms shipping charge of $25.00 per item.
  • You must be at least 18 years old to purchase this item. State and local laws may vary.


  • 16" Chrome-Lined Barrel

  • Dependable Direct-Impingement Gas System

  • Rotating Locking Bolt

  • Fixed Stock

  • 10-Round Magazine

Product Summary

The Sig M400 is a true AR-platform tactical rifle, designed for use in law-enforcement, military operations, or the sporting field, as well as in competitive shooting. The M400 provides unparalleled accuracy with a 16" chrome-lined and phosphate-coated 1 in 7" twist barrel for maximum durability and corrosion resistance. The M400's dependable direct-impingement gas operating system uses a rotating locking bolt. A 7075-T6 aircraft-grade aluminum forged lower receiver adds to the rifle's rugged reliability. This Connecticut, Massachusetts, and New Jersey compliant model features a 10 round magazine, a non-threaded barrel, and a non-collapsible stock.

Model M400 Classic Compliant
Type Centerfire Rifle
Action Semi-Auto
Caliber 5.56x45MM Nato
Barrel Length 16"
Weight 6.5 Lbs.
Sights Fixed A2-Style
Finish: Stock Synthetic/Aluminum
Finish : Barrel & Receiver Blackened Steel
Safety Standard
Capacity 1 x 10-Round Magazine