You can find the Fortis Switch MOD 1 Rail System M-LOK 13.8" here Fast FREE shipping on this item!

The Fortis Switch MOD 1 Rail System is an extremely lightweight, yet robust free float rail system designed for the AR platform. The Switch is easy to install and can be removed quickly with a patent pending locking mechanism that allows tool-less removal of the rail. The top of the handguard has a full length Picatinny rail and M-LOK slots at the at the 3, 6, & 9 o'clock positions as well as new M-LOK sections in the off-set positions up front to allow the mounting of lights without the need for off-set light mounts.

Features:

  • Length: 13.8"
  • Weight: 9.40 ounces, Barrel Nut: 1.7 oz
  • Internal Diameter: 1.34"
  • Material: Aircraft Grade 6061-T6 Aluminum / Locking handle: 7075-T6 Aluminum
  • Mil. Spec. Hard-coat Anodized
  • M-LOK at the 3, 6, & 9 o'clock and off-set positions
  • 4140 heat treated barrel nut (1-7/16 X 16 T.P.I.)
  • Clamp torque setting 20 in lbs  **Please be sure to read instructions
  • Spanner wrench needed to torque barrel nut to spec (not included)
  • Made in the USA!