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Questions & Answers
I have a Sport 2, will i need a new gas block or will it be fine? Expert Answer

Yes. The Fortis Manufacturing SWITCH AR15 Mod 1 Rail System will require you to have a low profile gas block and will require you to remove the delta ring in order to use a standard barrel nut.

by Ethan, Gear Expert, April 13, 2022
Will the 12 Inch switch rail fit with a 12 inch barrel? Or will the handguard be past the threads? Expert Answer

It depends on the length of the specific barrel you are using. Different manufacturers measure barrel length differently.

by Jonathan D., Gear Expert, August 8, 2019
Customer Reviews
Most Recent Reviews
junk / poor quality by Gunguy, January 7, 2026
I had REALLY HIGH hopes for this and been eyeing this handguard for years . Finally pulled the trigger and bought one . First let me say i built over 10 high quality ar15s from scratch all over $4k so i DO know what im doing . I torqued the barred nu...
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0/1 found this helpful
Most Recent Reviews
junk / poor quality by Gunguy, January 7, 2026
I had REALLY HIGH hopes for this and been eyeing this handguard for years . Finally pulled the trigger and bought one . First let me say i built over 10 high quality ar15s from scratch all over $4k so i DO know what im doing . I torqued the barred nu...
Read More...
0/1 found this helpful
Most Recent Reviews
Solid Peice by Dillon Ohara brown, Verified Owner, July 15, 2020
the rail looks great and functions well. The utg hand stop fits snug and flows seamlessly with the overall design. Doesn't feel to big or awkward. Good ergonomics compliment the feel and function of the rail making it easy to break down if needed an...
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Most Recent Reviews
Great fit and finish by Beachshack, April 3, 2018
Product has a high end fit and finish. Easily installs in a few seconds, rail and barrel nut are extremely light weight. Quality craftsmanship in the rail cuts, qd mount locations and the quick mount mechanism. Used to switch between a 556 and 45...
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Most Recent Reviews
Fantastic Rail by Teebone, July 15, 2017
I love this rail. It's light strong and very good looking and to boot, it is a quick detach. Very convenient for making adjustments on a gas block or changing rail for different rail length or accessories for competition. My favorite rail. Would rec...
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Most Recent Reviews
Best M-Lok rail I've found. by TAC58, Verified Owner, March 9, 2017
Had a quad rail but was too heavy & rifle didn't handle well at all so I "switch"ed to the switch. The machine work/fit & finish is impeccable. Was a little worried about the rail rotating but it's solid as a rock. Could possibly be improved with ...
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Read All 6 Reviews

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Product Info for Fortis Manufacturing SWITCH AR15 Mod 1 Rail System

The new Switch MOD 2 Series takes the very best from the Switch Series and custom tailors it to fit the needs of shooters. M-LOK sections up front that gives you flexibility and freedom to run ylight solutions. No more need for purchasing additional off-set light mounts. Mount it directly on the rail and go.image

The 6.7in length is very intentional. This will work with even most direct thread suppressors on a 7.5in barrel. The gap will be very minimal and the look - well, amazing. The Fortis SWITCH series is an extremely lightweight, yet robust free float rail system designed for the AR platform. When designing the SWITCH, we wanted a handguard that was easy to install, but also be able to quickly change rails for a variety of mission or competition specific setups. The rail features a brand new patent pending locking mechanism that allows tool-less removal of the rail. The rail design not only looks great, but is very functional in yhand. The piece adds minimal weight to the rifle and you won't be disappointed!

Specifications for Fortis Manufacturing SWITCH AR15 Mod 1 Rail System:

Manufacturer: Fortis Manufacturing
Color: Black
Finish: Mil-Spec HardCoat Anodized
Gun Make: AR Platform
Gun Model: AR-15
Gun Type: Rifle
Handguard Type: Free-Float
Gun Rail: M-LOK
Condition: New
Included Accessories: Standard
Inner Diameter: 1.34 in
Mount Type: M-LOK
Quantity: 1

Features of Fortis Manufacturing SWITCH AR15 Mod 1 Rail System

  • MLOK at the 3, 6, and 9 o'clock and off-set location
  • Clamp torque setting 20 in lbs
  • Spanner wrench needed to torque barrel nut to spec (not included)

Package Contents:

  • Fortis Manufacturing SWITCH AR15 Mod 1 Rail System

Fortis Manufacturing SWITCH AR15 Mod 1 Rail System Orderable Models

List of Orderable Models

  • Fortis Manufacturing SWITCH AR15 Mod 1 Rail System, 11.8in MLOK, Black, 556-SWITCH-M1-118-ML , MPN: 556-SWITCH-M1-118-ML , UPC: 810103343702 , Code: 2GN-HZ-SW5RS-556-SWITCH-M1-118-ML
  • Fortis Manufacturing SWITCH AR15 Mod 1 Rail System, 9.6in MLOK, Black, 556-SWITCH-M1-096-ML , MPN: 556-SWITCH-M1-096-ML , UPC: 810103344723 , Code: 2GN-HZ-SW5RS-556-SWITCH-M1-096-ML
  • Fortis Manufacturing SWITCH AR15 Mod 1 Rail System, 13.0in MLOK, Black, 556-SWITCH-M1-130-ML , MPN: 556-SWITCH-M1-130-ML , UPC: 810103344709 , Code: 2GN-HZ-SW5RS-556-SWITCH-M1-130-ML
  • Fortis Manufacturing SWITCH AR15 Mod 1 Rail System, 13.8in MLOK, Black, 556-SWITCH-M1-138-ML , MPN: 556-SWITCH-M1-138-ML , UPC: 810103344716 , Code: 2GN-HZ-SW5RS-556-SWITCH-M1-138-ML

Fortis Manufacturing SWITCH AR15 Mod 1 Rail System Unavailable & Discontinued Models

List of Unorderable Models

  • Fortis Manufacturing SWITCH 556 Rail System, 9 in -Keymod, Black 556-SWITCH-9-KM , MPN: 556-SWITCH-9-KM , Code: 2GN-HZ-SW5RS-556-SWITCH-9-KM
  • USED Fortis Manufacturing SWITCH AR15 Mod 1 Rail System, 13.8in MLOK, Black, 556-SWITCH-M1-138-ML, EDEMO1, Used, Condition Fair, Scratches , MPN: 556-SWITCH-M1-138-ML-EDEMO1 , Code: 2GN-HZ-SW5RS-556-SWITCH-M1-138-ML-EDEMO-SC-D
  • Open Box, Dealer Demo, Fortis Manufacturing SWITCH AR15 Mod 1 Rail System, 6.7in MLOK, Black, 556-SWITCH-M1-067-ML , MPN: 556-SWITCH-M1-067-ML-DMO , Code: 2GN-HZ-SW5RS-556-SWITCH-M1-067-ML-DMO
  • Fortis Manufacturing SWITCH 556 Rail System, 12 in -Keymod, Black 556-SWITCH-12-KM , MPN: 556-SWITCH-12-KM , Code: 2GN-HZ-SW5RS-556-SWITCH-12-KM
  • Open Box, Dealer Demo, Fortis Manufacturing SWITCH AR15 Mod 1 Rail System, 13.8in MLOK, Black, 556-SWITCH-M1-138-ML , MPN: 556-SWITCH-M1-138-ML-DMO , Code: 2GN-HZ-SW5RS-556-SWITCH-M1-138-ML-DMO
  • Fortis Manufacturing SWITCH 556 Rail System, 14 in -Keymod, Black 556-SWITCH-14-KM , MPN: 556-SWITCH-14-KM , Code: 2GN-HZ-SW5RS-556-SWITCH-14-KM
  • Fortis Manufacturing SWITCH AR15 Mod 1 Rail System, 6.7in MLOK, Black, 556-SWITCH-M1-067-ML , MPN: 556-SWITCH-M1-067-ML , UPC: 810103343696 , Code: 2GN-HZ-SW5RS-556-SWITCH-M1-067-ML
  • Fortis Manufacturing DPMS High Profile 556 Platform 14 Inch SWITCH 308 Rail System, Black, 14 Inch, FORTSWITCH556-14 , MPN: FORTSWITCH556-14 , Code: 2GN-HZ-SW5RS-FORTSWITCH556-14
  • Fortis Manufacturing SWITCH AR15 Mod 1 Rail System, 15.3in MLOK, Black, 556-SWITCH-M1-153-ML , MPN: 556-SWITCH-M1-153-ML , UPC: 810103343719 , Code: 2GN-HZ-SW5RS-556-SWITCH-M1-153-ML
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Last updated 2026-07-27 UTC.