SIGM400 VTAC was designed by Kyle Lamb of Viking Tactical, the SIGM-400 VTAC rifle is built to be ultra light, reliable and easy to handle.

Viking Tactical prides itself on crafting battle-proven gear “for warriors, by warriors” and SIG SAUER is proud to contribute to that ethos with its SIG-M400 VTAC. Working hand and hand with Kyle Lamb, SIG created the VTAC rifle as an upgrade to the ultra reliable SIG M400 platform.

The SIG-M400 VTAC Features a aluminum free float VTAC handguard, 16 inch Stainless DLC barrel with Taper-Lok flash hider, and BCM Gunfighter grip and 6 position stock, the VTAC M400 is extremely lightweight, accurate and easy to handle.


  • Operating System: Mid-Length Direct Impingement
  • Trigger: Upgraded Match Grade DLC Trigger
  • Barrel: 16 inch
  • Caliber: 5.56 NATO
  • Magazine: 30 Round
  • Flash Hider: Sig SRD556-QD Flash Hider
  • Comes with sling
  • Stock and Grip: BCM Gunfighter
  • Handguard: Aluminum Free Float V-TAC Handguard
  • Includes Rapid Deployment Rifle Bag
  • Color: Black