One of the great revolutions in handgun manufacture is the polymer frame, striker-fired revolution. Glock led the way and still dominates the market today. Arguably, Glock remains first with the most. The Glock 48 is perhaps two ounces lighter than the Glock 19 9mm and otherwise similar in dimension—save for the thinner grip frame and slide, so why do you need the Glock 48? This article has the answer!