BudsGunShop.com - Attachment type

This model is specifically for the M&P Shield 9mm or .40 S&W and it attaches around the trigger guard. Here's a compatibility chart for TLR-6 models: streamlight.com/docs/default-source/compatibility-list/tlr6compatibilitylist.pdf?sfvrsn=10

it only fits the S&W shield 9mm and 40 S&W firearms

Vauchon, this will mount to most handguns that have a standard "Accessory Rail" as demoed on this Glock : google.com/search?q=Streamlight+TLR-6+Laser/Light+Combo&source=lnms&tbm=isch&sa=X&ved=0ahUKEwie27Ty_fPiAhULpFkKHdX5DBkQ_AUIESgC&biw=1280&bih=596#imgrc=dh1U9c-mn89zgM:

Vauchon, This laser/light combo is designed to securely attach to the trigger guard of the S&W M&P Shield 40, S&W M&P Shield 9. This accessory comes with concise instructions and all tools needed to install and adjust settings.