an adjustable strike mounting system having a cover plate , which can be mounted to an astragal having a housing , which has a longitudinal channel having retention guides , vertically slidable blocks , which have transverse slots , having horizontally slidable threaded elements , and spring leaves , which are adapted to hold the vertically slidable blocks in selected positions , the cover plates adapted to provide mounting surfaces for the strike plates , the cover plates abutting the retention guides , the strike plates having apertures , which can be aligned with locations of the locks and deadbolts quickly , easily , and efficiently , the adjustable strike mounting system facilitating and allowing vertical and horizontal movement of the strike plates in the astragal , facilitating location and alignment of fasteners , and minimizing loss of the fasteners within the astragal and resultant jamming of the astragal and other operating parts of the astragal .