If you want to use the Mantis shooting trainer on a weapon that does not have an accessory rail, it is worth purchasing a dedicated rail adapter that allows you to install the device at the magazine. Mantis foot with rail dedicated to Glock pistols.
Accessories for the Mantis shooting trainer at Kolba gun store
The Mantis foot with rail replaces the factory foot and does not require any modifications to the weapon or magazine. Installation of the part is simple, requiring only the removal of the factory footer and its replacement with the Mantis adapter. The Mantis footer is also a cheaper option for shooters who do not want to invest in a custom holster that allows them to draw their weapon with the Mantis system plugged in.
The foot fits the following Glock pistol models:
G17, G19, G19X, G22, G23, G24, G25, G26, G27, G28, G31, G32, G33, G34, G35, G37, G38, G39, G44, G45