Sig Sauer M400 Swat 5.56mm Tactical Rifle (California Model)


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The Sig Sauer M400 Series Tactical Rifle is designed for use in law enforcement, military operations, the sporting field, as well as competitive shooting. The M400 is a true AR platform tactical rifle with unparalleled accuracy. A 16” chrome-lined and phosphate coated barrel provides superior corrosion resistance, and a 7075-T6 aircraft grade aluminum forged lower receiver adds to the durability and reliability that users come to expect from SIG SAUER.

This California compliant model features compliant bullet button magazine release and 10 round magazine.

Firearm Features

  • Direct Impingement Gas Operating System with Rotating Locking Bolt
  • 5.56 x 45 mm NATO Chrome-Lined Barrel with Phosphate Finish
  • Accepts Most M16 Type Magazines
  • Bullet button magazine release
  • “F” Front Sight
  • 6 Position Telescoping Stock (MIL-SPEC)
  • Aluminum quad rail forend

Firearm Specifications

  • Item Number: RM400-16B-S-CA
  • Action: Semi-Auto
  • Operating System: Direct Impingement
  • Caliber: 5.56 X 45mm NATO
  • Overall Length: 35.6 in
  • Trigger Type: MIL-STD
  • Trigger Weight: 7.3 lbs
  • Barrel Length Without Flash Suppressor: 16 in
  • Rifling: 1 in 7 in
  • Number of Grooves: 6
  • Weight W/O Magazine: 7.0 lbs
  • Mag Capacity: 10
  • Mag Type: AR-15 Type Aluminum
  • Accessory Rail: Yes
  • Features: Bullet button mag release 10 round mag aluminum quad-rail forend 6 position telescoping stock (MIL-SPEC)
  • CA Compliant: Yes
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Sig Sauer M400 Swat 5.56mm Tactical Rifle (California Model)


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