• Comfortable grip - the shape works with thumb over method or when reversed
  • Lightweight one-piece billet design
  • Made in U.S.A.


  • Material: Aircraft Grade 6061-T6 Aluminum
  • Finish: Type III Hard Coat Anodized
  • Weight: 1.09 oz.
  • Width: 0.901"
  • Length: 2.344"
  • Height: 1.08"


  • All M-LOK systems


  • 1x Fortis Shift M-LOK Reversible Handstop
  • 1x M-LOK Lock Nut
  • 1x Screw


The Fortis Shift M-LOK Reversible Handstop will improve your control and accuracy of your firearm and is a perfect addition for your next weapon build. Weighing just over one ounce, the fortis handstop will not add excess weight but will give you improved speed and functionality as you put rounds downrange. The handstop is a one-piece billet design made from aircraft grade 6061-T6 aluminum and as always is made in the USA.

Improve Your Hold with This Versatile Handstop

The Fortis Shift M-LOK Handstop provides several possible holds for you to choose from. The thumb-over method is preferred by many shooters however, you may like your pinky in the groove or even behind the handstop with the ring finger in the groove. Because it is a reversible handstop it can also be installed forward on the gun allowing you to push against it to keep your hold from slipping. No matter how you choose to install and use the handstop Fortis will help you achieve greater mastery of your firearm.

Build Confidence, Control and Accuracy

You can improve your speed and accuracy because the Fortis Shift M-LOK Handstop allows you to handle your weapon with confidence and greater control. This Fortis handstop is small but effective because you can manipulate your firearm in ways that are hindered by other handstop designs. This accessory will improve your accuracy, versatility, and functionality with your weapon. The Fortis Shift Reversible Handstop is the perfect addition to your next weapon build.

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