Do you ever find yourself limiting your choices of which firearm to carry when off-duty based on which mag carriers you do or don't have available? Or which one is most comfortable? You need to check out the Universal Mag Carrier by Pitbull Tactical which can fit alll mags from 9mm to .45 ACP, single or double stack with no adjustments needed. You can even wear it ambidextrous, right or left hand, IWB or OWB.