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SIG Sauer M400 Enhanced Centerfire Rifle

Item # 937113
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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 & Phospate-Coated Barrel

  • Direct Impingement Gas Operating System

  • A2 Flash Suppressor

  • Magpul MOE Stock, Grip, & Rear Sight

  • 30-Round MagPul PMag 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. The M400 provides unparalleled accuracy, with a 16" chrome-lined and phosphate coated barrel that provides maximum durability and corrosion resistance. The rifle runs on a direct impingement gas-operating system with rotating locking bolt. Every M400 comes with an A2 Type flash suppressor. A 7075-T6 aircraft grade aluminum forged lower receiver adds to the durability and reliability. The Enhanced M400 features a Magpul MOE forend, grip, stock, and rear sight and comes with a 30-round Magpul PMag.

Model M400 Enhanced
Type Centerfire Rifle
Action Semi-Auto
Caliber .300 AAC Blackout
Barrel Length 16"
Weight 6.7 lbs.
Sights Magpul MBUS
Finish: Stock Black Magpul MOE
Finish : Barrel & Receiver Black Nitride
Trigger Two-Stage
Capacity 30 + 1