I recently purchased a Steyr M9-A1 and, though I can load the mags with no problem, it will get old quick doing it without assistance from a speedloader of some sort.. anyone have any ideas as to were I can find one or which ones might work? I have been told there are a few types of mags that can be used interchangeably in the gun without complications. Primarily the browning high power 30 round mag...