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NEW (2/1/15): Our new "Universal Fit" Manual Safety Kit will fit all Generation Glock Pistols - including Gen 3, Gen 4, & SF Models.

NOTICE: Manual Safety Kits WILL NOT fit the Model 36 or the Model 42 pistol; we have no plans to make a Manual Safety Kit for the Model 42

Helps Prevent Unintentional Discharges Manually engaged safety lever provides an extra level of security and safety for Glock owners. Blocks trigger movement, allows the slide to be cycled and pistol loaded or unloaded with the safety on. Operates easily with your right-hand thumb. Contact pad is easy to engage, yet won’t interfere with holster fit. All Glock passive safeties continue to function normally. Gunsmith installation is recommended.

  • SPECS: Thumb Safety - Plastic trigger housing, black. Steel parts, black thumb pad. Pad - ½" (12.7mm) long, ¼" (6.35mm) wide. Includes instructions, replacement trigger housing, thumb lever, detent pressure plate, spring and trigger bar guide. Fits all models except Model 36 & Model 42.


This kit is intended to be installed by those who have the experience, knowledge, and qualifications of a professional gunsmith, we DO NOT recommend installing on your own with out the help of a professional gunsmith.  

If you would like assistance installing the MSK please contact us and provide and phone number and date/time best to call. You can also review the list of approved installers below! 


Available Options:

For Glock Model:

Installation Template:

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