Removal of the front sight adjustment tool allows for use of the screwdriver and other included bits. A good range of weapon specific sizes are included, and in the image shown below you can see its being used to tighten down the Magpul MBUS (Magpul Back Up Sight).

A thoughtful touch is that the tool shaft is long enough to tighten down the pistol grip screw. This came in handy in a recent carbine course. The assortment of bits was also useful when an ambi-safety loosened up in the same course.