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Sig Sauer Switchblade M400 5.56 NATO Pistol - 11.5"

AR Pistol

Out of stock

FFL Required Before Shipping.
Please have your dealer email a copy of their FFL to [email protected] or fax it to 253-218-2998, referencing your name and order number.


The new M400 Switchblade brings a whole new level of performance to the M400 product family. Utilizing the uniquely designed ambidextrous bolt catch and release lever the M400 Switchblade gives you unmatched flexibility and capability. The Switchblade features an 11.5” barrel and Magpul's all new BSL brace for maximum performance and control, it also features full ambi controls, twin locking clamp handguard, Match grade flatblade trigger and a Cerakote Titanium finish. The new M400 Switchblade, the ultimate M400 pistol.



  • Ambidextrous Bolt Catch
  • 2-Stage Matchlite Duo Trigger
  • 11.5" Carbon Steel Barrel
  • Cerakote Elite Finish
  • Magpul BSL Brace
  • Free Floating Handguard



  • Caliber: 5.56 NATO
  • Barrel Length: 11.5 in [292 mm]
  • Mags Included: (1) 30rd Polymer Mag
  • Action Type: Semi-Auto
  • Stock Type: Magpul BSL Brace
  • Barrel Material: Stainless Steel
  • Trigger Type: 2 Stage Matchlite Duo
  • Twist Rate: 1:7
  • Forend Type: Alloy
  • Grip Type: Polymer
  • Receiver Finish: Cerakote Elite
  • Overall Length: 30 in [795 mm]
  • Overall Width: 2.5 in [63.5 mm]
  • Height: 7.5 in (191 mm)
  • Accessory Rail: M-LOK
  • Operating System: Direct Impingement
More Information
Product Type AR Pistol
Manufacturer Sig Sauer
Twist Rate 1:7
Finish Cerakote
Mount M-LOK
Barrel Length 11.5"
Caliber 5.56 NATO